Very fast and delicious chocolate cake

Ingredients: 125 g butter or margarine (parve or not parve?) 4 eggs 200 g chocolate 150g of sugar 1 tb spoon of potato flour Method: Preheat the oven to 180°C. Melt the chocolate and the butter. (In a Bain-Marie for the slow version. In the microwave for 1 min in the fast version). Add the sugar. Let it cool a little bit. Add the eggs one by one. Beating in between each egg. Add the flour. Bake for 17-22 mins.   Bon appetit!