Ingredients
These are the ingredients you need for the sponge cake
- 5 large eggs
- 125g flour
- 125g powdered erythritol
- 1 pinch of pink salt
Step by step
Method
- 1Separate the egg whites from the yolks.
- 2Beat the yolks with the erythritol until pale and frothy.
- 3Whip the egg whites with a pinch of salt until stiff peaks form.
- 4Gently fold the yolks into the whipped whites using circular, wrapping motions.
- 5Repeat the process with the sifted flour, folding gently.
- 6Once you have a smooth, lump-free batter, pour it onto a baking tray lined with parchment paper and bake at 180ºC for 10 minutes.
- 7Let it cool completely, then spread with the prepared custard and roll up gently.
- 8DONE! Now you can slice and enjoy your SPONGE CAKE ROLL WITH HOMEMADE CHOCOLATE CUSTARD
These are the ingredients you need for the custard
- 1250ml skimmed milk
- 22 1/2 tbsp defatted unsweetened cocoa powder
- 31 tbsp vanilla extract
- 41 egg
- 52 egg whites
- 61/2 tbsp cornstarch
- 7Sweetener to taste
Method
- 1Place the milk, sweetener, and cocoa powder in a small pot over medium heat.
- 2As soon as it comes to a boil, take it off the heat.
- 3Whisk the whole egg with the egg whites and vanilla extract.
- 4Add the cornstarch to the egg mixture and whisk until thoroughly dissolved.
- 5Pour the egg and cornstarch mixture into the warm milk in the pot, stirring constantly over low heat until it thickens.
- 6Let it cool down slightly and place in the fridge until you're ready to fill the sponge cake.









