Jul 14 2026
RestaurantsNo.9 ParkBoston Cream Pie Recipe

Boston Cream Pie Recipe

Inspired by No.9 Park
Time2h
Serves8

coldsteep coffee, chocolate sabayon

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Ingredients

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Cake and Filling

Method

Preparation

  1. 1

    Make the Cake

    Preheat the oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.

  2. 2

    Mix Dry Ingredients

    In a bowl, whisk together flour, baking powder, and salt.

  3. 3

    Cream Butter and Sugar

    In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.

  4. 4

    Add Eggs and Vanilla

    Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.

  5. 5

    Combine Mixtures

    Gradually incorporate the dry ingredients into the wet mixture, alternating with milk until just combined.

  6. 6

    Bake the Cake

    Divide the batter evenly between the prepared pans and bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean.

  7. 7

    Cool the Cakes

    Allow the cakes to cool in the pans for 10 minutes, then transfer to wire racks to cool completely.

  8. 8

    Make the Chocolate Sabayon

    In a bowl over simmering water, whisk together the egg yolks and sugar until pale and thick. Gradually whisk in the cold steeped coffee until thickened.

  9. 9

    Melt the Chocolate

    In a separate bowl, melt the chopped chocolate over simmering water, then fold it into the sabayon mixture.

  10. 10

    Whip the Cream

    In a separate bowl, whip the heavy cream until soft peaks form, then gently fold it into the chocolate sabayon.

  11. 11

    Assemble the Cake

    Place one cake layer on a serving plate, spread half of the chocolate sabayon on top, then add the second layer and top with the remaining sabayon.

  12. 12

    Chill and Serve

    Chill the cake for at least 2 hours before slicing and serving.

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