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🥄 Instructions:

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Step 1: Make the Chocolate Sponge

1. Preheat your oven to 350°F (175°C).
   Line a rectangular baking pan (9×13 inches) with parchment paper.
2. In a bowl, sift together the flour, cocoa powder, baking powder, and salt.
3. In a large bowl, beat the egg yolks with half the sugar until pale and fluffy.
4. In another clean bowl, whip the egg whites until soft peaks form. Gradually add the remaining sugar and beat until stiff and glossy.
5. Gently fold the egg yolk mixture into the egg whites.
6. Carefully fold in the dry ingredients, trying not to deflate the batter.
7. Pour the batter into the prepared pan and spread evenly.
8. Bake for 12–15 minutes, or until a toothpick inserted into the center comes out clean.
9. Let the sponge cool completely, then slice it horizontally into two thin layers.

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Step 2: Make the Chocolate Cream Filling

1. In a saucepan, whisk together the milk, sugar, cocoa powder, cornstarch, and egg yolks.
2. Cook over medium heat, stirring constantly, until the mixture thickens (about 5 minutes).
3. Remove from heat, add the chopped dark chocolate, and stir until smooth.
4. Let the mixture cool completely.
5. Once cooled, beat the softened butter into the chocolate cream until fluffy and smooth.

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Step 3: Assemble the Cake

1. Place one sponge layer on a tray.
2. Spread the chocolate cream evenly over it.
3. Place the second sponge layer on top and gently press.

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Step 4: Make the Chocolate Glaze

1. Melt the chocolate with the butter and milk in a small saucepan or microwave.
2. Stir until smooth.
3. Pour the glaze over the top of the cake and spread evenly.
4. Chill the cake in the refrigerator for at least 2–3 hours (overnight is even better!) before serving.

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Step 5: Serve

• Before serving, dust lightly with powdered sugar.
• Decorate with mint leaves if desired.
• Slice into clean, elegant squares with a hot knife for that perfect look!

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🕊️ A Little Hungarian Soul:

Hungarians adore their creamy, layered cakes — each bite rich but refined.
This Csokoládés Krémes is a beloved classic, found in old cafés (cukrászdák) across Budapest, usually enjoyed with a strong coffee or a glass of sweet Tokaji wine.

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Would you also like me to give you a super-traditional version where they add a hint of rum inside the cream, like in some vintage Hungarian recipes? 🍷✨
It’s divine!