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Napoleon cake, also known as Mille-Feuille or Russian Napoleon, is a classic dessert that boasts layers of flaky puff pastry and a rich, creamy custard filling.

This elegant and indulgent cake is perfect for celebrations or when you want to impress your guests with a sophisticated dessert.

Each bite offers a delightful contrast between the crispy pastry and the smooth, vanilla-infused custard, creating a memorable and luxurious treat.

I’ve found it’s best prepared the day before to allow the flavors and textures to meld together before eating.

Ingredients

Units Scale
For the puff pastry layers:
  • 1 pound store-bought or homemade puff pastry, thawed if frozen
For the custard cream:
  • 4 cups whole milk
  • 1 cup granulated sugar
  • 1/3 cup all-purpose flour
  • 1/3 cup cornstarch
  • 6 large egg yolks
  • 2 teaspoons vanilla extract
  • 1 cup unsalted butter, softened
For assembly:
  • Powdered sugar for dusting
  • Toasted sliced almonds (optional)

Instructions

  1. Prepare the Pastry Layers (20 minutes + baking):
    Preheat the oven to 400°F (200°C). Roll out the puff pastry on a lightly floured surface into a thin sheet. Cut into rectangles or squares based on your desired cake size. Prick the pastry all over with a fork to prevent puffing. Bake on lined baking sheets for 10-15 minutes or until golden brown. Cool the baked layers on wire racks.
  2. Make the Custard Cream (15 minutes + cooling):
    In a saucepan, heat the milk until it’s just about to simmer. In a bowl, whisk together sugar, flour, cornstarch, and egg yolks. Gradually pour the hot milk into the egg mixture, whisking constantly. Return the mixture to the saucepan and cook over medium heat, stirring continuously until it thickens. Remove from heat, stir in vanilla extract, and let cool to room temperature. Once cooled, whip in the softened butter until the cream is smooth.
  3. Assemble the Cake (20 minutes):
    Place a pastry layer on your serving plate. Spread a layer of custard cream over it. Continue stacking pastry and cream layers, finishing with a pastry layer on top. If you have pastry crumbs, you can mix them with some toasted almond slices sprinkle them on the top layer for a traditional look.
  4. Chill and Serve (4 hours):
    Refrigerate the cake for at least 4 hours, or overnight, to allow the layers to soften and flavors to meld. Before serving, dust the top with powdered sugar if desired.
  5. Enjoy:
    Slice the Napoleon cake carefully and serve chilled. Each layer should be distinct, with the cream softening the pastry for a perfect texture contrast.

Notes

The Napoleon cake is a true classic, offering a delightful array of textures and rich flavors that are sure to impress.

While this dessert requires some patience to assemble, the result is a visually stunning and deliciously rewarding treat.

Enjoy the process and the accolades you’ll receive for creating such a beautiful and tasty masterpiece!

*Please keep in mind that the following nutritional information is based on estimates and can vary depending on the specific brands and ingredients used.

Nutrition