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

Blend melted butter, sugar and vanilla. Add eggs, beating well with a spoon. Combine dry ingredients and add gradually. Spread in greased 8-inch square pan.

Bake at 350°F for 40 to 45 minutes.