Karpatka: Polish Puff Pastry Cake

Ingredients

• 2 sheets (about 1 pound) Frozen puff pastry sheets
• 2 cups Whole milk
• 4 large Egg yolks
• 3 tablespoons Cornstarch
• ½ cup (plus 3 tablespoons for topping) Granulated sugar
• 2 tablespoons Unsalted butter
• 1 teaspoon Vanilla extract

Instructions

1. 1

   Set the oven to 400°F and wait until the indicator light or beep confirms it has finished heating, about 10 minutes.

2. 2

   Remove both puff pastry sheets from the freezer and let them sit on the counter for 5 minutes until they are soft enough to bend slightly but still cold.

3. 3

   Line a large baking sheet with parchment paper by laying the paper flat and pressing it into the corners.

4. 4

   Place the first puff pastry sheet on the prepared baking sheet and prick it all over with a fork every 2 inches, pushing straight down to avoid cutting through to the bottom.

5. 5

   Bake the first sheet on the middle oven rack until it puffs slightly and turns pale golden, about 12 minutes; remove and set on a cooling rack.

6. 6

   Repeat steps 4–5 with the second puff pastry sheet, baking it until it matches the first one in color and texture.

7. 7

   Pour 2 cups of whole milk into a medium saucepan and place it over medium heat until wisps of steam rise from the surface, about 5 minutes; do not boil.

8. 8

   While the milk heats, crack 4 large eggs into a small bowl and separate the whites from the yolks by letting the white drop through a slotted spoon, collecting only the yolks.

9. 9

   Place the 4 egg yolks in a medium mixing bowl and whisk them with a wire whisk for 30 seconds until the color turns pale yellow.

10. 10

    Add 3 tablespoons of cornstarch and 0.5 cup of granulated sugar to the egg yolks and whisk constantly for 1 minute until no lumps remain and the mixture looks smooth and slightly thick.

11. 11

    Slowly pour the hot milk into the egg mixture while whisking constantly to prevent lumps from forming, about 30 seconds.

12. 12

    Pour the entire mixture back into the saucepan and place it over medium heat, stirring constantly with a wooden spoon for 3–4 minutes until the custard thickens to the texture of pudding.

13. 13

    Remove from heat and stir in 2 tablespoons of unsalted butter and 1 teaspoon of vanilla extract until the butter melts and the mixture looks glossy.

14. 14

    Pour the warm custard onto a large plate or shallow dish and press a sheet of plastic wrap directly on the surface to prevent a skin from forming; let cool for 10 minutes.

15. 15

    Place one cooled puff pastry sheet on a serving plate or cutting board, laying it flat so the bottom rests evenly on the surface.

16. 16

    Spread the cooled custard cream across the pastry sheet in an even layer using a rubber spatula, working from the center outward and covering the entire surface.

17. 17

    Place the second puff pastry sheet on top of the custard, pressing gently so it adheres without crushing the layers.

18. 18

    Sprinkle 3 tablespoons of granulated sugar evenly across the top layer, distributing it so no large bare patches remain.

19. 19

    Light a kitchen torch (or use the oven broiler) and hold the flame 2–3 inches from the sugar, moving it in slow circles for 90 seconds until the sugar melts into a golden-brown caramel layer; watch carefully to avoid burning.

20. 20

    Let the karpatka cool at room temperature for 5 minutes until the caramel hardens into a crisp shell, then slice with a serrated knife using a gentle sawing motion.

Tools you’ll need

• 13x18-inch baking sheet
• Parchment paper
• Fork
• Cooling rack
• Medium saucepan
• Wire whisk
• Small bowl
• Slotted spoon
• Medium mixing bowl
• Wooden spoon
• Rubber spatula
• Large serving plate or cutting board
• Kitchen torch (or oven broiler)
• Serrated bread knife

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