Deep Dark Chocolate Cake

The ultimate birthday cake.

INGREDIENTS:
Cake:
2 cups sugar
3/4 cup dark Dutch cocoa powder
1 3/4 cups flour
1 1/2 tsp baking soda
1 tsp salt
2 tsp vanilla extract
2 eggs
1 cup milk
1/2 cup vegetable oil
1 cup boiling water

Frosting:
85g butter 
2 2/3 cups powdered sugar
1/2 cup Dutch cocoa powder
1/3 cup milk
1 tsp vanilla extract


PROCEDURE:
In a large bowl stir together the dry ingredients. Add the wet ingredients and beat on medium speed for about 2 minutes. Stir in the boiling water and pour in two round greased and floured baking pans (diameter 22 cm). 
Bake for about 30 minutes at 180°C. Cool for 10 minutes; remove from pans to wire racks and let cool completely. 
For the frosting beat in a small bowl the butter. In a separate bowl sift together the powdered sugar and the cocoa. Alternate adding the cocoa/sugar mix and the milk to the butter.beat to spreading consistency and blend in the vanilla extract. 
Add half of the frosting on top of one cake and put the second cake on top. Cover with the remaining frosting.