Hot Fudge Pudding Cake

1 1/2 cup sugar
2 cups flour
6 Tb. cocoa
4 tsp. baking powder
1/2 tsp. salt
1 cup milk
2/3 cup butter, melted
3 tsp. vanilla

Mix and spread into a 9x13 inch pan.

Sauce:

1 cup sugar
1 cup brown sugar
8 Tb. cocoa
2 1/2 hot water

Mix and pour sauce over top. DO NOT STIR! Bake at 350 for 40 minutes. Serve with vanilla ice cream.