Ingredients:
280gr flour
80gr butter
4 whole eggs
4 tbs sugar
Minced lemon skin
30gr baking powder
Few milk if necessary
Butter and flour for pan

Preparation:
In a mixing bowl mash butter alone, than add eggs, sugar and lemon skin.

Combine with sieved baking powder and flour. If dough results too firm add some tablespoon of milk.

Beat dough till detach bowl’s edges and pour batter in the prepared pan (better if the ciambella one with hole in the middle).

Bake in warm oven for 1 hour.