Baking dish 26 cm diameter greased and sprinkled with flour, put in the refrigerator.
Sift in bowl the flour, baking powder and cocoa. Eggs, plain and vanilla sugar beat with a mixer in a lush lather. Switching the mixer on the lowest speed, to enter the flour.
Separately vzbit pre-softened butter until soft and creamy. Carefully slowly stir the oil into the egg-flour mixture. Add beer, stir until smooth and pour the batter into prepared form.
Bake the cake in a preheated 180 °C oven for 60-70 min. Remove from the oven and cool down completely.
For cream vzbit cream cheese with powdered sugar and decorate the top of the cooled cake.