In a medium mixing bowl combine 3/4 cup sugar, flour, 3 tbsp. cocoa, baking powder, and salt. Blend in milk, melted butter and vanilla. Beat until smooth.
3
Pour Batter into square 8x8x2 baking pan.
4
In a small bowl combine remaining 1/2 cup sugar, brown sugar, and 4 tablespoons cocoa. sprinkle mixture over batter.