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Boston Cream Pie Recipe – Classic Bakery-Style Dessert

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A classic Boston Cream Pie made with light sponge cake layers, rich vanilla pastry cream, and a smooth chocolate ganache topping, just like a traditional bakery-style dessert.

Ingredients

4 large eggs, room temperature

300 g (1 1/2 cups) granulated sugar

173 g (1 1/2 cups) cake flour, plus more for dusting

2 teaspoons baking powder

1 teaspoon Diamond Crystal kosher salt

0.75 cup (180 ml) half-and-half

56 g (4 tablespoons) unsalted butter

0.25 cup (50 g) granulated sugar (for syrup)

0.25 cup (60 ml) water

227 g (8 ounces) dark chocolate, coarsely chopped

1 cup (240 ml) heavy cream

1 teaspoon light corn syrup

0.25 teaspoon Diamond Crystal kosher salt (for ganache)

14 g (1 tablespoon) unsalted butter (for ganache)

1 recipe vanilla pastry cream

Instructions

  1. Preheat the oven to 350°F (175°C). Grease and line two 9-inch round cake pans with parchment paper.
  2. Whisk together cake flour, baking powder, and salt in a bowl.
  3. Heat the half-and-half and butter gently until warm, then set aside.
  4. Whip eggs and granulated sugar on high speed for 5–7 minutes until pale, thick, and at ribbon stage.
  5. Slowly mix in the warm half-and-half mixture.
  6. Gently fold in the dry ingredients until just combined.
  7. Divide batter evenly between pans and bake for 17–20 minutes, until lightly golden and springy.
  8. Cool cakes completely on wire racks.
  9. Prepare syrup by heating sugar and water until dissolved. Brush over cooled cake layers.
  10. Make ganache by melting chocolate, cream, corn syrup, and salt over a double boiler. Stir in butter until smooth.
  11. Spread vanilla pastry cream over one cake layer, top with second layer.
  12. Pour ganache over the cake, allowing it to drip down the sides.

Notes

Brush cake layers with syrup to keep them moist.

Chill the cake briefly before slicing for cleaner cuts.

Use dark chocolate for better balance against the sweet filling.

Let the cake sit at room temperature before serving for best texture.

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