1 c. sugar
1/2 c. brown sugar
1 tsp. vinegar
1 tsp. lemon flavoring
1 tsp. cinnamon
1/2 c. water
1/4 lb. butter
6 med. sweet potatoes, cooked

Mix all ingredients except sweet potatoes and cook until mixture begins to thicken. Put sliced sweet potatoes in baking dish and pour cooked mixture over. Bake at 350 degrees for 20-25 minutes.