1 lg. can sweet potatoes
1 c. liquid from sweet potatoes, may need to add water
1/2 c. butter
1/2 c. sugar
2 tbsp. cornstarch
4 to 5 med. apples

Combine liquid, butter, sugar and cornstarch in a saucepan and bring to a boil until thick and smooth.

Arrange pared and quartered apples and sweet potatoes in 9x9 inch pan. Pour sauce over apples and potatoes, and bake at 350 degrees for 20 minutes.