Ah, Karpatka cake! This is a classic Polish dessert made with two layers of choux pastry and a rich, creamy custard filling. The top is meant to look a bit like craggy mountain peaks—hence the name (Karpatka refers to the Carpathian Mountains). Here’s a clear, step-by-step recipe:
Ingredients
For the choux pastry (makes 2 layers):
- 1 cup (240 ml) water
- ½ cup (115 g) unsalted butter
- 1 cup (125 g) all-purpose flour
- 4 large eggs
- Pinch of salt
For the custard filling:
- 2 cups (480 ml) milk
- ½ cup (100 g) granulated sugar
- 3 tablespoons all-purpose flour
- 3 tablespoons cornstarch
- 3 large egg yolks
- 1 teaspoon vanilla extract
- 3 tablespoons unsalted butter
Optional topping:
- Powdered sugar for dusting
Instructions
1. Make the Choux Pastry
- In a saucepan, bring water, butter, and salt to a boil.
- Remove from heat and stir in flour all at once. Stir until it forms a smooth dough that pulls away from the sides of the pan.
- Let the dough cool slightly (3–5 minutes).
- Beat in eggs one at a time, mixing thoroughly after each addition until smooth and glossy.
- Divide the dough in half. Spread each half onto separate parchment-lined baking sheets (about 9×13 inches).
- Bake at 400°F (200°C) for 25–30 minutes until golden and puffed. Let cool completely.
2. Make the Custard Filling
- In a saucepan, whisk together egg yolks, sugar, flour, and cornstarch.
- Gradually add milk, stirring constantly.
- Cook over medium heat, stirring constantly, until thickened.
- Remove from heat, stir in butter and vanilla extract.
- Let cool slightly, then chill in the fridge until thickened but still spreadable.
3. Assemble the Cake
- Place one layer of baked choux pastry on a serving tray.
- Spread the custard evenly over the first layer.
- Place the second layer of choux pastry on top.
- Chill the cake for at least 2 hours (or overnight) so the custard sets and the layers meld.
4. Serve
- Dust with powdered sugar before serving.
- Slice with a serrated knife for clean layers.
Tips
- Use a serrated knife to slice, as the top layer is delicate.
- For extra flavor, you can fold a little whipped cream into the custard before spreading.
- Karpatka is best chilled, which allows the custard to firm up and the flavors to meld.
I can also give a quick version using instant vanilla pudding that makes assembly faster but still tastes very close to traditional Karpatka. Do you want me to provide that shortcut version?