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

Combine butter, sugar and vanilla. Add eggs. Combine flour, cocoa, baking powder and salt and add to sugar mixture. Pour into a greased square baking dish. Bake at 350 degrees for 40-45 minutes.