Best Ever Brownies

1 cup butter (melted)

Add and blend well (I use a wisk)
1 cup white sugar
1 cup brown sugar
3/4 cup cocoa

With a wisk add
3 large eggs (1 at a time)

Stir into above mixture
1 cup flour
1 1/2 tsp baking powder

Add
1 1/2 tsp vanilla
1 cup chopped walnuts

Pour into prepared 9x13 pan
Bake for 30 min at 350

Cool and frost with this frosting

1/2 cup soft butter
1 cup icing sugar
2/3 cup coca
1 tsp vanilla
2 tlbs milk
2 tlbs hot coffee(or more milk)

Mix with mixer untill blended