Put eggs and sugar in a bowl and whisk until it turns white.
Mix sugar, wheat flour, cocoa powder, and vanilla sugar together in a bowl and then fold it into the egg mixture. Also, fold the butter and milk into the mixture.
Chop the dark chocolate coarsely and fold the chocolate pieces into the batter.
Divide the batter into muffin cases and bake them for 20 minutes at 200 degrees Celsius (392 degrees Fahrenheit) conventional oven.
Put all the ingredients in a bowl and whisk together until the mousse reaches the desired consistency.
Melt the sugar in a pan. Once the sugar is completely melted and has turned into caramel and taken a bit of color, pour in the peanuts and fold them into the caramel.
Pour the peanuts onto a piece of baking paper and spread them in a layer.
Once the peanut brittle has cooled, it can be chopped coarsely. Use a serrated knife, such as a bread knife, to avoid the brittle from scattering everywhere.