Boston Cream Food

BOSTON CREAM CHEESECAKE

Steps:

• Heat oven to 325°F.
• Prepare cake batter as directed on package; pour into 9-inch springform pan sprayed with cooking spray. Bake 25 to 30 min. or until toothpick inserted in center comes out clean. Cool.
• Beat cream cheese, sugar and vanilla in large bowl with mixer until well blended. Add sour cream; mix well. Add eggs, 1 at a time, mixing on low speed after each just until blended. Pour over cake layer in pan.
• Bake 40 to 45 min. or until center is almost set. Run knife around rim of pan to loosen cake; cool before removing rim of pan.
• Microwave COOL WHIP and chocolate in microwaveable bowl on HIGH 1 to 1-1/2 min. or until chocolate is completely melted and mixture is blended, stirring after each minute. Cool 15 min.; slowly pour over cheesecake. Refrigerate 4 hours.

BOSTON CREAM PIE MINIS

Steps:

• Heat oven to 350ºF.
• Prepare cake batter and bake as directed on package for 24 cupcakes. Cool completely.
• Beat pudding mix and milk in medium bowl with whisk 2 min. Let stand 5 min. Meanwhile, use serrated knife to cut cupcakes horizontally in half.
• Whisk 1/2 cup COOL WHIP into pudding; spoon onto bottom halves of cupcakes, using about 1 Tbsp. for each. Cover with cupcake tops.
• Microwave remaining COOL WHIP and chocolate in small microwaveable bowl on HIGH 1-1/2 min. or until chocolate is almost melted, stirring after 1 min. Stir until chocolate is completely melted and mixture is well blended. Let stand 15 min.
• Frost cupcakes with chocolate mixture. Refrigerate 15 min.

BOSTON CREAM FILLING

Steps:

• Combine sugar, cornstarch & salt in saucepan. Add milk, vanilla & egg yolks, stir with wire wisk until blended. Cook over medium heat, strring constantly until thickened. Cool completely.
• You can also add a cup of whipped cream to make a fluffier, moussie type filling, or 2 oz. of baking chocolate for a chocolatey one.

BOSTON CREAM PIE CUPCAKES

Steps:

• Preheat oven to 350 degrees. Butter and flour standard muffin tins. Whisk together flour, baking powder, and salt in a small bowl. Warm milk and butter in a saucepan over low heat.
• Beat eggs and sugar with a mixer on high speed until thick and pale, about 5 minutes. Beat in dry ingredients.
• Bring milk and butter to a boil. With mixer on low speed, add milk mixture to batter, and beat until smooth. Add vanilla. Divide batter among muffin cups, filling each halfway. Bake cupcakes until light gold, about 15 minutes. Let cool in tins for 10 minutes, then transfer to wire racks. Let cool.
• Using a serrated knife, cut each in half horizontally. Spread 1 tablespoon vanilla cream on each cupcake bottom. Sandwich with top. Spoon glaze over each, and serve immediately.
• For Vanilla Cream:
• Whisk yolks until smooth. Mix sugar, cornstarch, and salt in a medium saucepan over medium heat. Add milk in a slow, steady stream. Cook, stirring, until mixture begins to bubble and thicken, about 5 minutes.
• Pour 1/3 of milk mixture into yolks, whisking constantly. Return mixture to saucepan, and cook over medium heat, stirring often, until thick, 2 to 4 minutes. Stir in vanilla.
• Pass vanilla cream through a fine sieve into a bowl. Press plastic wrap directly on surface. Refrigerate until cold, at least 1 hour, or up to 2 days.
• For Chocolate Ganache Glaze:.
• Bring cream to a boil in a small saucepan. Remove from heat, and add chocolate and corn syrup. Let stand for 5 minutes. Whisk until smooth. Transfer to a bowl, and let cool, stirring often. Use immediately.

BOSTON CREAM PIE

Steps:

• Place an egg separator over a small bowl. Crack open 1 egg over the egg separator to seperate the yolk from the white; then separate the other egg. (Save the whites for another recipe.) In a small bowl, place the yolks. Beat the egg yolks with a fork or wire whisk until mixed. Stir in 1 1/2 cups milk; set aside.
• In a 2-quart saucepan, stir 1/3 cup granulated sugar, the cornstarch and 1/8 teaspoon salt until mixed. Gradually stir egg mixture into sugar mixture. Cook over medium heat, stirring constantly, until mixture thickens and boils. Boil and stir 1 minute; remove from heat. Stir in 2 teaspoons vanilla. Press plastic wrap on surface of filling to prevent a tough layer from forming on top. Refrigerate at least 2 hours until set but no longer than 24 hours. While filling is chilling, continue with recipe.
• Heat the oven to 350°F. Spray just the bottom of a 9-inch round cake pan with baking spray with flour.
• In a large bowl, beat all cake ingredients with an electric mixer on low speed 30 seconds, stopping frequently to scrape batter from side and bottom of bowl with a rubber spatula. Beat on high speed 3 minutes, stopping occasionally to scrape bowl. Pour batter into the pan; use a rubber spatula to scrape batter from bowl, spread batter evenly in pan and smooth top of batter.
• Bake about 35 minutes or until a toothpick inserted in the center comes out clean. Cool cake in pan on a cooling rack 20 minutes, then remove onto cooling rack to finish cooling completely, about 1 hour.
• In a 1-quart saucepan, melt 3 tablespoons butter and the chocolate over low heat, stirring occasionally. Meanwhile, in 1-cup glass measuring cup, microwave the water uncovered on High 15 to 30 seconds or until hot. Remove chocolate mixture from heat. Stir in the powdered sugar and 3/4 teaspoon vanilla. Stir in 3 tablespoons hot water. Stir in additional water, 1 teaspoon at a time, until icing is smooth and thin enough to spread.
• To split cake horizontally in half, mark middle points around side of cake with toothpicks. Using toothpicks as a guide, cut through the cake with a long, sharp knife, using a back-and-forth motion. On a serving plate, place bottom layer with the cut side up. Spread filling over bottom layer. Top with top of cake, cut side down.
• Spread glaze over top of cake, using a metal spatula or back of a spoon, letting some glaze drizzle down side of cake. Refrigerate uncovered until serving. Store any remaining cake covered in the refrigerator.

WICKED GOOD BOSTON CREAM PIE

Steps:

• For the Pastry Cream:.
• 1. Heat half-and-half in medium saucepan over medium heat until just simmering. Meanwhile, whisk yolks, sugar, and salt in medium bowl until smooth. Add flour to yolk mixture and whisk until incorporated. Remove half-and-half from heat and, whisking constantly, slowly add ½ cup to yolk mixture to temper. Whisking constantly, return tempered yolk mixture to half-and-half in saucepan.
• 2. Return saucepan to medium heat and cook, whisking constantly, until mixture thickens slightly, about 1 minute. Reduce heat to medium-low and continue to simmer, whisking constantly, 8 minutes.
• 3. Increase heat to medium and cook, whisking vigorously, until bubbles burst on surface, 1 to 2 minutes. Remove saucepan from heat; whisk in butter and vanilla until butter is melted and incorporated. Strain pastry cream through fine-mesh strainer set over medium bowl. Press lightly greased parchment paper directly on surface and refrigerate until set, at least 2 hours and up to 24 hours.
• For the Cake:.
• 1. Adjust oven rack to middle position and heat oven to 325 degrees. Lightly grease two 9-inch round cake pans with nonstick cooking spray and line with parchment. Whisk flour, baking powder, and salt together in medium bowl. Heat milk and butter in small saucepan over low heat until butter is melted. Remove from heat, add vanilla, and cover to keep warm.
• 2. In stand mixer fitted with whisk attachment, whip eggs and sugar at high speed until light and airy, about 5 minutes. Remove mixer bowl from stand. Add hot milk mixture and whisk by hand until incorporated. Add dry ingredients and whisk until incorporated.
• 3. Working quickly, divide batter evenly between prepared pans. Bake until tops are light brown and toothpick inserted in center of cakes comes out clean, 20 to 22 minutes.
• 4. Transfer cakes to wire rack and cool -completely in pan, about 2 hours. Run small plastic knife around edge of pans, then invert cakes onto wire rack. Carefully remove parchment, then reinvert cakes.
• To Assemble:.
• 1. Place one cake round on large plate. Whisk pastry cream briefly, then spoon onto center of cake. Using offset spatula, spread evenly to cake edge. Place second layer on pastry cream, bottom side up, making sure layers line up properly. Press lightly on top of cake to level. Refrigerate cake while preparing glaze.
• For the Glaze:.
• 1. Bring cream and corn syrup to simmer in small saucepan over medium heat. Remove from heat and add chocolate. Whisk gently until smooth, 30 seconds. Let stand, whisking occasionally, until thickened slightly, about 5 minutes.
• 2. Pour glaze onto center of cake. Use offset spatula to spread glaze to edge of cake, letting excess drip decoratively down sides. Chill finished cake 3 hours before slicing. Cake may be made up to 24 hours before serving.

BOSTON CREAM PIE

Steps:

• Preheat oven to 350 degrees. Butter and flour a 9-inch round cake pan. In a small bowl, whisk together flour, baking powder, and salt; set aside. Combine milk and butter in a small saucepan; set over very low heat.
• With an electric mixer, beat eggs and sugar on high speed until thick, lightened in color, and mixture holds a trail for several seconds when beater is lifted, 4 to 5 minutes. Gradually whisk in dry ingredients just until incorporated.
• Bring milk and butter to a boil. With mixer on low speed, add hot milk mixture to batter; mix just until smooth. Mix in vanilla; transfer batter to prepared pan, and smooth top.
• Bake until golden and pulling away from sides of pan, 35 to 40 minutes. Cool cake 10 minutes in pan; remove from pan, and transfer to a rack to cool, right side up.
• Fill cake: For easy cleanup, place a piece of waxed paper under rack. With a serrated knife, split cooled cake horizontally (leave bottom half on rack). Spread bottom half with Vanilla Pudding to within 1/2 inch of edge; gently place top half of cake on pudding layer.
• Make Chocolate Glaze: In a small saucepan, bring heavy cream to a boil. Remove from heat, and add chocolate; stir until smooth.
• Set aside to cool to room temperature and to thicken slightly, about 10 minutes. When glaze has thickened, pour over filled cake. Using a small metal spatula, spread glaze to edges of cake, allowing it to drip down sides. Let glaze set, 15 to 20 minutes. Leftover cake can be refrigerated, loosely covered, up to 2 days.

CHEF JOHN'S BOSTON CREAM PIE

Steps:

• Preheat oven to 350 degrees F (175 degrees C).
• Spray 2 (8-inch) cake pans with cooking spray.
• Stir yellow cake mix, 3 eggs, water, and vegetable oil in a bowl until moistened. Beat with an electric mixer on medium speed for 2 minutes, scraping bowl occasionally.
• Divide cake batter between the two prepared cake pans.
• Bake in the preheated oven until cakes have risen and are lightly golden brown, 33 to 38 minutes. Check for doneness after 25 minutes. A toothpick inserted into the center of the cakes should come out clean. Allow cakes to cool for about 10 minutes before removing from the pans. Cool cakes completely, about 40 minutes.
• Whisk 3 eggs, cornstarch, and sugar in a large bowl until well mixed and lemon colored, 2 to 3 minutes. Set aside.
• Heat 1 cup heavy whipping cream, whole milk, and 1/2 tablespoon butter in a large saucepan over medium heat until it just begins to boil.
• Reduce heat to low; pour egg mixture into cream mixture and whisk until thick, about 1 minute.
• Pour egg and cream mixture through a fine mesh strainer into a large bowl; discard any chunks.
• Whisk vanilla and salt into the egg and cream mixture until combined. Cover with a layer of plastic wrap pressed against the surface. Chill in refrigerator to form a pastry cream texture, 3 to 4 hours.
• Place chocolate in a large bowl. Heat 1 teaspoon butter and 1/2 cup heavy whipping cream in a saucepan over medium heat until butter is melted. Pour cream mixture over chocolate and whisk until smooth. Set aside until cooled, but still pourable, about 20 minutes.
• Place one cake layer on a plate, flat side up. Spread pastry cream to within 1-inch of the edge of cake. Place second cake layer on top, rounded side up. Press gently to push pastry cream to the edge. Pour chocolate mixture over top of the cake and spread so it drips over the edge.

BOSTON CREAM PIE

Steps:

• Preheat the oven to 350 degrees F. Butter a 9-inch-round cake pan. Fold a sheet of parchment paper into a square, then fold it in half into a triangle. Fold the triangle in half. Put the tip of the triangle in the center of the pan; trim the parchment, following the curve of the pan. Unfold the parchment circle and line the pan.
• Make the cake: Sift the flour, baking powder and salt into a large bowl. Beat the eggs and sugar in a stand mixer fitted with the whisk attachment on high speed until pale and tripled in volume, about 15 minutes. Gently fold in the flour mixture in two additions using a rubber spatula, scraping down the bowl.
• Add the milk, vegetable oil and vanilla and beat with the mixer until combined. Pour the batter into the prepared pan and bake until a toothpick inserted into the center comes out clean, 25 to 30 minutes. Transfer the pan to a rack and let cool 10 minutes, then invert the cake onto the rack. Invert again and cool completely.
• Meanwhile, make the pudding: Heat the milk and vanilla in a medium saucepan over medium heat (do not boil). Whisk the whole eggs, egg yolks and sugar in a large bowl until light and fluffy. Add the cornstarch and salt and whisk vigorously until no lumps remain. Whisk about 1/4 cup of the hot milk mixture into the egg mixture, then gradually whisk in the remaining hot milk mixture.
• Pour the egg-milk mixture into the saucepan and cook over low heat, whisking constantly, until thick and pudding-like, 10 to 15 minutes. Strain through a fine-mesh sieve into a bowl, using a rubber spatula to push the pudding through. Let cool slightly, stirring occasionally. Press plastic wrap directly onto the surface of the pudding and refrigerate at least 2 hours.
• Stick toothpicks around the side of the cake as a guide for cutting two even layers, then slice the cake in half horizontally with a long serrated knife.
• Place the bottom half of the cake cut-side up on a platter. Top with the pudding, spreading it to about 1/4 inch from the edge. Carefully place the other cake half on top, cut-side down, pressing gently.
• Make the glaze: Heat the chocolate, cream, vanilla and salt in a saucepan over medium-low heat, stirring, until melted and smooth, about 2 minutes. Let cool about 5 minutes, then pour over the cake and smooth with an offset spatula. Refrigerate at least 30 minutes or up to 4 hours before serving.

BOSTON CREAM PIE MADE OVER

Steps:

• Beat pudding mix and milk in medium bowl with whisk 2 min. Stir in 1/2 cup COOL WHIP.
• Stack cake layers on serving plate, spreading pudding mixture between layers.
• Microwave chocolate and remaining COOL WHIP in microwaveable bowl on HIGH 30 sec.; stir until chocolate is completely melted and mixture is well blended. Spoon over cake. Refrigerate 1 hour.

BOSTON CREAM PIE

Steps:

• Cake: Preheat oven to 350°; grease and flour an 8" round cake pan.
• Beat the egg whites until stiff in a large bowl; in a small bowl beat the egg yolks until light; add to the whites and beat together; slowly add the sugar, beating for 5 minutes.
• Sift the flour, baking powder and salt together; in a saucepan heat the milk and melt the butter.
• Stir the dry ingredients and milk mixture into the egg mixture as quickly as possible; stir in vanilla and lemon extract if using.
• Pour batter into pan and bake 25-30 minutes, until toothpick tests clean; cool 10 minutes, remove from pan and cool completely on wire rack; slice the cake into two layers.
• Filling: In a double boiler over medium-low heat, cook sugar, flour, salt and milk for 15 minutes, stirring constantly until thickened and bubbly.
• Temper the egg with the cooked mixture and pour back into the pan; cook another 3-5 minutes until thickened; remove from heat, stir in vanilla or orange extract and cool completely with plastic wrap on custard surface; spread on bottom cake layer, add top layer.
• Frosting: Bring the sugar, cornstarch, chocolate, salt and water to a boil; cook, stirring, 3-5 minutes or until thickened enough to coat a spoon thickly; remove from heat, add butter and vanilla and stir until combined.
• Cool a bit, but while still warm, pour and spread frosting over the top of cake, allowing some to drip down sides if desired; there may be more frosting than you need, use it for another purpose.

BOSTON CREAM POKE CAKE

Steps:

• Heat oven to 350°F.
• Prepare cake batter and bake as directed on package for 13x9-inch cake. Immediately poke deep holes in cake at 1-inch intervals, using round handle of wooden spoon.
• Beat pudding mixes and milk in medium bowl with whisk 2 min. Immediately pour over warm cake. Refrigerate 1 hour.
• Microwave chocolate and COOL WHIP in microwaveable bowl on HIGH 1-1/2 min. or until chocolate is almost melted, stirring after 1 min. Stir until chocolate is completely melted and mixture is well blended. Let stand 15 min. Pour over cake.
• Refrigerate 1 hour.

BOSTON CREAM DOUGHNUTS

Steps:

• For the dough, hand whisk the water and yeast together in the bowl of an electric mixer and let stand for 2 to 3 minutes to dissolve the yeast.
• Whisk in the milk and shortening.
• Stir in the eggs, sugar, salt and 3 cups of the flour.
• Mix to make a soft dough.
• Knead with the dough hook on the lowest speed of the mixer for 8 to 10 minutes, gradually adding more flour as required to form a soft but elastic dough.
• Place the dough in a lightly greased bowl, cover the bowl with a damp cloth and let rise for 45 minutes or until doubled.
• For the filling, whisk the sugar, flour, and egg yolks together in a bowl.
• In a small saucepan, bring the milk to a boil.
• Stir 2 TBS of the hot milk into the eggyolk mixture to temper the yolks and prevent curdling.
• Stir the egg mixture into the milk and stir constantly until thickened and beginning to boil gently.
• Remove from heat.
• Stir in the butter and vanilla and let cool.
• Place in a bowl, covering with plastic wrap to help prevent a skin from forming.
• Put in the fridge until needed.
• Turn the dough onto a lightly floured surface.
• Pinch off pieces and form into small balls, about the size of golf balls.
• Cover and let rise for 25 minutes.
• In a dutch oven heat 4 inches of oil to 375*F.
• Add the doughnuts a few at a time and fry for 30 to 40 seconds, until deep brown on first side.
• Turn and fry on the second side for 15 to 30 seconds.
• Using a slotted spoon, transfer to paper towels to drain and let cool.
• Whisk the custard to smooth and fluff it.
• Put the custard in a pastry bag fitted with a large plain tip.
• Split each cooled doughnut in half and pipe or spoon in some custard.
• For the glaze, melt the butter and chocolate in a double boiler over barely simmering water.
• Add the sugar and vanilla, stirring until smooth.
• Add enough water to make a thin glaze.
• Let cool for 1 minute, then drizzle over the doughnuts.
• If the glaze gets too stiff, add more hot water to make it workable again.
• Enjoy!

BOSTON CREAM PIE

Steps:

• Preheat the oven to 350 degrees F. Grease and line 2 (8-inch) cake pans.
• For the cake: Whisk together the eggs, egg whites, milk, and vanilla and set aside.
• Place the sugar, flour, baking powder, and salt in the bowl of a stand mixer fitted with a paddle attachment. Add in the softened butter and half of the egg mixture to the mixer and beat on medium speed until batter is very smooth, about 4 minutes.
• Add the remaining egg mixture in 3 additions, scraping down the bowl after each addition, and beating for 2 minutes afterwards.
• Portion out the batter evenly into the prepared pans. Bake until the cake springs back when lightly touched in center, 45 to 50 minutes. Cool the cakes in the pan for 10 minutes, and then turn out to cool completely. Can be made a day ahead.
• For the ganache: Place the ingredients into a heatproof bowl and place over a saucepan of barely simmering water. Whisk until melted and smooth.
• Place the cooled cake on a cake round. Trim the top of the cake and hollow out the middle to hold the Pastry Cream. Cut the trimmed cake into big chunks and set aside. Place the lightened Pastry Cream into the cake, creating a small mound in the middle. Pile the cake pieces on top of the Pastry Cream. Pour warm ganache over the entire surface until covered. Let the cake rest for 2 to 3 hours before serving.
• Place most of the milk, half of the sugar, and vanilla into a saucepan and bring to a low simmer. Meanwhile, whisk together the rest of the milk, eggs, yolks, the remaining sugar, and cornstarch. Temper the egg mixture with 1/3 of the hot milk, whisk well, and pour back into the saucepan. Over medium heat, continue to cook and whisk until the custard is thick and starts to bubble. Continue whisking and cooking for 10 more seconds. Strain the pastry cream through a sieve, pushing through with a spatula, into a clean mixing bowl. Immediately cover the entire custard surface with plastic wrap and cool before using.
• When the pastry cream is cool, remove the plastic wrap, insert the beater attachment into the stand mixer, and beat the pastry cream on medium speed until smooth. Remove the cream to a mixing bowl. Whisk the heavy cream to stiff peaks and fold into the pastry cream in 2 additions.

BOSTON CREAM PIE I

Steps:

• Preheat oven to 375 degrees F (190 degrees C). Grease and flour two 9 inch round cake pans. Sift the all-purpose flour, cake flour, baking powder and salt together and set aside.
• In a deep bowl cream 6 tablespoons of the butter with 3/4 cup sugar until light and fluffy. Beat in the 2 eggs, one at a time, then beat in the 1 teaspoon vanilla extract. Add the flour mixture alternately with the 1/2 cup of the milk in 3 additions, Beating the batter smooth after each addition. Divide the batter between the 2 prepared pans.
• Bake at 375 degrees F (190 degrees C) for 15 minutes or until cakes begin to shrink away from the sides of the pans and centers spring back when lightly touched. Turn the cakes onto wire racks to cool.
• To Make The Filling: Combine the 1/2 cup light cream with 1/4 cup of the milk and cook over medium heat until bubbles begin to form around the edge of the pan. Immediately add 1/4 cup of the sugar and the salt, stirring until dissolved. Remove the pan from the heat.
• In a small bowl, combine 1/4 cup of the milk with the cornstarch and whisk to remove lumps. Whisk in the 2 eggs. Add the hot cream mixture in a thin stream, whisking constantly. Return to the mixture to the saucepan, bring to a boil, and cook over low heat, stirring constantly, until the custard thickens and is smooth (about 5 minutes). Remove from heat and stir in the 1/2 teaspoon vanilla and allow to cool to room temperature.
• To Make The Chocolate Frosting: In a heavy saucepan over low heat, stir the chocolate pieces and 2 tablespoons butter until they are completely melted. Remove from the heat and, stirring constantly, add the 1/4 cup light cream in a thin steady stream. When mixture is smooth, stir in the confectioners' sugar and beat vigorously. Stir in the 1/2 teaspoon vanilla.
• To Assemble Cake: Spread the cooled filling over one the cooled cakes and place the second cake on top. Pour the chocolate frosting evenly over the top allowing it to spill down the sides.

BOSTON CREAM PIE

Steps:

• Preheat oven to 350 degrees. In a medium mixing bowl combine flour, sugar, baking powder, and salt. Make a well in the center of the flour mixture. Add milk, oil, egg yolks, and vanilla. Beat with an electric mixer on low to medium speed until combined. Beat an additional 3 minutes on high speed and set aside.
• In a large mixing bowl, beat egg whites and cream of tartar on medium to high speed until soft peaks form. Pour the egg yolk mixture over the egg white mixture and fold in. Gently pour the batter into a 9-inch greased pie pan. Bake for 25 to 30 minutes or until the top springs back when lightly touched. Invert the pan onto a wire rack. Cool completely.
• Pastry Cream Filling: In a medium saucepan, heat the milk and vanilla bean to a boil over medium heat. Immediately turn off the heat and set aside to infuse for 10 to 15 minutes. In a bowl, whisk the egg yolks and granulated sugar until light and fluffy. Add the cornstarch and whisk vigorously until no lumps remain. Whisk in 1/4 cup of the hot milk mixture until incorporated. Whisk in the remaining hot milk mixture, reserving the empty saucepan.
• Pour the mixture through a strainer back into the saucepan. Cook over medium-high heat, whisking constantly, until thickened and slowly boiling. Remove from the heat and stir in the butter. Let cool slightly. Cover with plastic wrap, lightly pressing the plastic against the surface to prevent a skin from forming. Chill at least 2 hours or until ready to serve. (The custard can be made up to 24 hours in advance. Refrigerate until 1 hour before using.)
• Ganache: In a medium bowl, pour the boiling cream over the chopped chocolate and stir until melted.
• To assemble pie, remove the cake from the pan. Cut the cake in half horizontally. Place bottom layer on a serving plate or board, and spread with the pastry cream. Top with second cake layer. Pour chocolate ganache over and down the sides of the cake. Store in refrigerator.

BOSTON CREAM PIE

Steps:

• For the filling: In a medium saucepan off-heat, whisk together the sugar, cornstarch and salt. Stir in the whole egg and the 3 yolks, and then stir in the milk. Turn the heat on to medium high and cook the mixture, uncovered, stirring constantly, until the custard thickens, 12 to 15 minutes. Remove the pan from the heat and stir in the vanilla. Transfer to a bowl, cover with plastic wrap and refrigerate while you make the cake. Be sure to place the plastic wrap directly onto the custard to prevent a skin from forming.
• For the cake: Preheat the oven to 350 degrees F. Spray a 9-inch round cake pan with cooking spray and set aside.
• Using an electric mixer, cream the butter and sugar together until fluffy, about 5 minutes. Add the egg and mix until completely combined. Sift together the cake flour, baking powder and salt in a bowl. Add the flour mixture to the butter mixture alternating with the milk, beginning and ending with the flour. Add the vanilla.
• Pour the batter into the prepared pan and bake for 30 to 35 minutes, or until a toothpick inserted in the center comes out clean. Remove the cake from the oven and allow to cool in the pan for 10 minutes, then turn out onto a rack to cool completely, about 20 minutes.
• For the topping: To make the chocolate ganache, in a medium saucepan over medium-high heat, bring the cream to a boil, then immediately remove from the heat. Add the chocolate chips to the cream and stir until completely melted.
• To assemble, slice the cake layer in half horizontally. Spread the custard filling onto one layer, then top with the second layer of cake. Spread the ganache over the top of the cake using an offset spatula or the back of a spoon, allowing it to drizzle down the sides. Refrigerate for at least 2 hours before serving. Store covered in the fridge for up to 2 weeks.