150 g butter, 150 g sugar, 150 g of flour, 4 eggs, zest of ½ lemon, vanilla on the tip of a knife, soda ½ tsp., 1 tbs. cocoa.
Preparing the cake is very fast, looks very appetizing. It can be served to guests for tea. To prepare the cake to rub the butter with sugar until light in color, at the same time to enter the eggs one at a time, continuing the way.
When the mass becomes homogeneous species add lemon zest, vanilla, baking soda. The finished mass divided into two parts, one to put cocoa powder and mix well to avoid lumps.
Deep dish grease, turn the spoon to spread the light and dark part of the dough. Bake at medium temperature. Readiness check with a thin wooden sticks, puncturing it in the highest part of the cake. If the stick remains dry, cake baking.