Recipe for Orange Cake

Ingredients for Orange Cake:
100g butter.
Juice of 2 oranges and grated peel (not the bitter white part).
100g grated almonds.
250g flour.
9g baking powder.
2 egg whites, beaten until foamy.
1/2 tsp salt.

Orange Cake preparation instruction:
Mix all ingredients slowly, eggs last, fill mass in buttered baking form, then bake in 375F preheated oven for 45 min.

Notes about Orange Cake:
Add warm orange marmalade on top, let cool and serve.