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Boston Cream Cupcakes Custard
Filling:
1 cup whole milk
2 tablespoons cornstarch
3 large egg yolks, at room temperature
1/3 cup granulated sugar
1 tablespoon unsalted butter
1 teaspoon vanilla extract
1/8 teaspoon salt
Cupcakes:
2 1/2 cups all-purpose flour
2 1/2 teaspoons baking powder
1/2 teaspoon salt
1 1/4 cups granulated sugar
1 vanilla bean, split lengthwise
10 tablespoons unsalted butter, softened
6 large egg yolks, at room temperature
Ganache Frosting:
2/3 cup heavy cream
5 bars (1.5 ounces each) Godivaź Solid Dark Chocolate, finely chopped (or 7.5 oz
any good quality semisweet chocolate)
Make Filling: (Prepare at least 2 hours or up to 1 day in advance.)
1. Whisk together 1/4 cup milk with cornstarch until smooth. Add 3 egg yolks and
whisk until blended. Set aside.
2. Combine remaining 3/4 cup milk and 1/3 cup granulated sugar in small heavy
saucepot and heat to a boil over medium heat, stirring occasionally. Remove from
heat and whisk half of milk mixture into egg yolk mixture. Return mixture to
pan. Heat to a boil. Simmer gently for 1 minute, whisking constantly until
slightly thickened.
3. Remove from heat and whisk in butter, vanilla extract and 1/8 teaspoon salt.
Transfer filling to a covered container and refrigerate for several hours until
thickened and completely cool.
Make Cupcakes:
1. Position oven rack in center of oven. Heat oven to 350°F. Line muffin cups
with paper liners or grease muffin cups and sprinkle with 2 tablespoons flour;
tapping out excess.
2. Whisk together flour, baking powder and 1/2 teaspoon salt in medium bowl; set
aside.
3. Place 1 1/4 cups granulated sugar in small bowl. Scrape out vanilla bean
seeds into sugar with a small knife. Mix to distribute seeds in sugar; set
aside.
4. In medium bowl beat butter and sugar mixture with electric mixer at
medium-high speed about 5 minutes or until light and fluffy. Add 6 egg yolks,
two at a time, beating well after each addition. Scrape down sides of bowl.
Reduce speed to low and add flour mixture in 3 additions. Beat until smooth,
scraping down sides of bowl as necessary.
5. Reserve about 2 cups batter. Spoon remaining batter evenly into prepared
muffin cups. Make a slight well in center of each filled muffin cup using the
back of a teaspoon. Add about 2 tablespoons custard filling over each filled
muffin cup using a pastry bag or small ice cream scoop. Completely cover filling
with reserved batter.
6. Bake cupcakes in two batches, for 22 to 24 minutes or until tops are golden
brown and set. Cool cupcakes in pans on wire rack for 10 minutes. Remove from
pans and cool completely on wire rack.
Make Frosting:
1. In small saucepot, add cream and heat to a boil over medium heat. Remove from
heat and add chocolate. Whisk until chocolate is completely melted and set
aside.
2. Using small angled spatula spread about 2 tablespoons frosting in an even
layer over top of each cupcake. Refrigerate for at least 40 minutes to set
frosting. Serve at room temperature.
Yield: 12 large cupcakes
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