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Homemade Boston Cream Pie Cupcakes Recipe | Bakery-Quality Dessert

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These homemade Boston Cream Pie Cupcakes combine light vanilla cake, creamy custard filling, and a glossy chocolate ganache topping. Each cupcake delivers bakery-quality flavor in an easy, handheld treat that’s perfect for any occasion.

Ingredients

Scale

For the Cupcakes:

  • 1 ½ cups all-purpose flour
  • 1 ½ teaspoons baking powder
  • ¼ teaspoon salt
  • ½ cup unsalted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ½ cup whole milk

For the Pastry Cream Filling:

  • 1 cup whole milk
  • 3 large egg yolks
  • ⅓ cup granulated sugar
  • 2 tablespoons cornstarch
  • 1 tablespoon unsalted butter
  • 1 teaspoon vanilla extract

For the Chocolate Ganache:

  • 4 ounces dark chocolate (or semisweet chocolate chips)
  • ½ cup heavy cream

Instructions

  1. Preheat oven to 350°F (175°C). Line a 12-cup muffin pan with paper liners.
  2. In a medium bowl, whisk flour, baking powder, and salt.
  3. In a large bowl, beat butter and sugar until fluffy. Add eggs one at a time, then vanilla.
  4. Alternate adding flour mixture and milk, beginning and ending with flour. Mix gently.
  5. Fill cupcake liners two-thirds full. Bake 18–20 minutes or until a toothpick comes out clean. Cool completely.
  6. For pastry cream: heat milk until steaming. In another bowl, whisk yolks, sugar, and cornstarch. Slowly pour hot milk into yolk mixture, whisking constantly. Return to saucepan and cook until thickened. Stir in butter and vanilla. Cover with plastic wrap and refrigerate until chilled.
  7. For ganache: heat cream until steaming. Pour over chopped chocolate, let sit 2 minutes, then whisk until smooth.
  8. To assemble: cut small holes in cooled cupcakes. Fill with pastry cream, replace tops, and spoon ganache over each cupcake. Let ganache set before serving.

Notes

Pastry cream can be made up to two days in advance.

Use a cupcake corer or small knife for neat filling.

For variety, swap vanilla custard with chocolate or coffee-flavored cream.