Melt 1 stick margarine in a large 9” x 12” ovenproof dish.
Mix:
1 cup self-rising flour
1 cup sugar
1 cup milk
Pour into center of melted margarine. DO NOT STIR.

Mix:
2 cups cooked, but firm peeled and sliced sweet potatoes.
1 cup sugar
1/2 cup light brown sugar
1 1/2 cups of water
1 teaspoon vanilla
1 teaspoon cinnamon or whatever spice preferred

Pour this into center of melted margarine and batter. DO NOT STIR.
Bake at 350 degrees for 45 minutes or until light brown.