Marble Cake

Ingredients for 8 people.

5 eggs
350g flour
350g butter
350g sugar
Zest of 1 lemon
150g bitter cocoa
20g baking powder
A pinch of salt
butter for pan

Work the egg yolks with sugar for white. Then add gradually the butter and flour with added yeast. Beat the egg whites firm with a pinch of salt and fold into the batter.

Flavor one part with the zest of a lemon and the other with bitter cocoa.
Butter a loaf pan and pour the two parts juxtaposed layers and irregular.
When the mold is full, cover with a sheet of aluminum foil and bake for 1 hour at gas mark 6.

Turn out cold and drizzle of chocolate sauce.