Hot Fudge Pudding Cake

Heat oven to 350 degrees.  Combine 3/4 cup granulated sugar, flour, 1/4 cup cocoa, baking powder and salt.  Stir in milk, butter and vanilla; beat until smooth.

Pour batter into ungreased 9-inch square baking pan.  Stir together remaining 1/2 cup granulated sugar, brown sugar and remaining 1/4 cup cocoa; sprinkle mixture evenly over batter.  Pour hot water over top; do not stir.

Bake 35 to 40 minutes or until center is almost set.  Remove from oven; let stand 15 minutes.  Serve in dessert dishes, spooning sauce from bottom of pan over top.  Garnish with whipped topping if desired.