Kostka Alpejska Recipe: A Decadent Polish Delight

Kostka Alpejska, or Alpine Cube, is a traditional Polish dessert that combines layers of rich chocolate sponge, creamy filling, and a glossy chocolate glaze. Known for its indulgent flavor and striking presentation, this dessert is perfect for special occasions or a treat to impress your loved ones. Let’s dive into this recipe that will transport your taste buds straight to the Alpine peaks.

Ingredients
For the Chocolate Sponge Cake:

4 large eggs
¾ cup granulated sugar
1 cup all-purpose flour
⅓ cup unsweetened cocoa powder
1 teaspoon baking powder
A pinch of salt
For the Cream Filling:

2 cups heavy whipping cream
⅓ cup powdered sugar
1 teaspoon vanilla extract
For the Chocolate Glaze:

200 g dark chocolate, chopped
½ cup heavy cream
Optional Toppings:

Shredded coconut
Crushed nuts
Chocolate shavings
Directions
Prepare the Chocolate Sponge Cake:
a. Preheat your oven to 180°C (350°F). Line a 9×9-inch baking pan with parchment paper.
b. In a bowl, whisk together eggs and sugar until pale and fluffy.
c. Sift in flour, cocoa powder, baking powder, and salt. Gently fold the mixture until well combined.
d. Pour the batter into the prepared pan and bake for 20–25 minutes or until a toothpick inserted into the center comes out clean. Allow the cake to cool completely.

Make the Cream Filling:
a. In a chilled mixing bowl, whip the heavy cream until soft peaks form.
b. Add powdered sugar and vanilla extract, then continue whipping until stiff peaks form.

Assemble the Dessert:
a. Cut the cooled sponge cake into two even layers.
b. Spread the whipped cream evenly over the bottom layer. Place the second layer on top and press gently.

Prepare the Chocolate Glaze:
a. Heat heavy cream in a small saucepan until it just begins to simmer. Remove from heat and add the chopped chocolate.
b. Stir until smooth and glossy. Allow the glaze to cool slightly before pouring it over the assembled cake.

Final Touches:
a. Decorate with your choice of toppings, such as shredded coconut, crushed nuts, or chocolate shavings.
b. Refrigerate for at least 2 hours to set before slicing into cubes.

Serving and Storage Tips
Serving: Serve Kostka Alpejska chilled to enjoy the rich, creamy layers. Pair it with a cup of coffee or tea for the ultimate indulgence.
Storage: Store in an airtight container in the refrigerator for up to 4 days. For longer storage, freeze the cubes individually and thaw before serving.