1-1/4 cups sugar, divided
1 cup all-purpose flour
7 Tablespoons cocoa, divided
2 teaspoons baking powder
1/4 teaspoon salt
1/2 cup milk
1/3 cup butter or margarine, melted
1-1/2 teaspoons vanilla extract
1/2 cup packed light brown sugar
1-1/4 cups hot water

Heat oven to 350 degrees.  In large bowl, stir together 3/4 cup sugar, flour, 3 Tablespoons cocoa, baking powder, and salt.  Stir in milk, butter and  vanilla; beat until smooth.  Pour batter into greased 8 or 9 inch square pan.  Stir together remaining 1/2 cup sugar, brown sugar, and remaining 4 Tablespoons cocoa; sprinkle mixture evenly over batter.  Pour water over top.  DO NOT STIR.  Bake 35-40 minutes or until center is almost set.  Cool 15 minutes; spoon into dessert dishes.  Spoon sauce from bottom of pan over top of cake.  Serve with whipped topping, if desired.  Garnish as desired.