Ingredients
For the Cake* 4 large eggs* ¾ cup (150g) sugar* ¾ cup (90g) all-purpose flour* ¼ cup (25g) unsweetened cocoa powder* ½ tsp baking powder* ¼ tsp salt* 1 tsp vanilla extract* 2 tbsp vegetable oilFor the Filling* 1 cup (240ml) heavy cream* 2 tbsp powdered sugar* 1 tsp cocoa powderProcedure* Whisk eggs and sugar until pale and fluffy.* Add vanilla extract and vegetable oil.
* Sift in flour, cocoa powder, baking powder, and salt. Gently fold until combined.* Pour the batter into a lined 10×15-inch baking pan.* Bake at 180°C (350°F) for 12–15 minutes.
* While still warm, turn the cake onto a clean towel dusted with cocoa powder.* Remove the parchment paper and carefully roll the cake with the towel. Let it cool.* Whip heavy cream,
powdered sugar,
and cocoa powder until soft peaks form.* Unroll the cooled cake and spread the chocolate cream evenly.* Roll the cake up again without the towel.* Refrigerate for at least 1 hour.* Slice and serve. 🍫