Hot Fudge Pudding Cake

1-1/4 cups sugar, divided
1 cup all purpose flour
7 tablespoons Hershey's 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. In medium mixing bowl, combine 3/4 cup sugar, flour, 3 tablespoons cocoa, baking powder and salt. Blend in milk, melted butter and vanilla; beat until smooth. Pour batter into square pan, 8x8x2 or 9x9x2. In small bowl combine remaining 1/2 cup sugar, brown sugar and remaining 4 tablespoons cocoa; sprinkle mixture evenly over batter. Pour hot water over top; do not stir. Bake 40 minutes or until center is almost set. Let stand 15 minutes; spoon into dessert dishes, spooning sauce from bottom of pan over top. Garnish as desired.