Brownies - cooking recipe

Ingredients

1 tsp. baking powder
1 c. butter
3/4 c. cocoa
2 c. sugar
1 1/4 c. flour
1 tsp. vanilla
4 eggs

Preparation

Butter 13 x 9-inch pan. Melt butter and cocoa together.
Mix all ingredients, adding eggs one at a time and beating well after each egg.
Bake 30 minutes at 350\u00b0.