So bad for my health, but when it's around I don't care.

200 gr. flour
200 gr. Sugar
3 tbsp. cocoa powder
2 tsp. baking powder
pinch of salt
2 cups water (or soy milk)
half a cup olive oil
1 tbsp. vinegar
vanilla (optional)

mix all the dry ingredients, and then add the wet ingredients. Mix them, pour into a baking pan, and put in the oven for 30-40 minutes on 200 celcius.