melt 2 sticks of butter in the microwave
add 1 cup of sugar and stir
add 2 eggs
add vanilla (as much as you want)

sift together in another bowl:

1 cup of flour
1 cup of unsweetened cocoa powder
1/2 tspoon of baking powder

add to butter mixture and mix well

add anything you like after that...walnuts, chocolate chips, peanut butter chips

Bake at 350 degrees for about 20-25 minutes.