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

Blend melted butter, sugar and vanilla in a bowl. Add eggs, beat well. Combine flour, cocoa, baking powder, and salt; gradually add to egg mixture until well blended. Spread in a greased 8-inch pan. Bake at 350 degrees 40-45 minutes (until sides pull away from the pan).