Try this delicious cake recipe:
Mix the peanut butter with the sugar and vanilla sugar until creamy. Gradually fold in the eggs and orange zest and juice. Mix flour with cornstarch and baking powder and stir into the dough by the tablespoon. Finally, fold in 2/3 of the chopped peanuts and bake the cake at 175 degrees for about 1 hour. After cooling, cover with melted cooking chocolate and sprinkle with the remaining peanuts.