Cranberry Apple Casserole

1 cup whole cranberries
1 1/2 cups chopped apples, unpeeled
3/4 cup sugar
1/2 cup chopped nuts
1/2 cup brown sugar
1 stick butter
1/2 cup oatmeal
2/3 cup flour
Combine cranberries, apples and sugar in an ovenproof baking dish. Mix nuts, sugar, butter and oatmeal with flour and pat into dish (mixture will be like a moist paste. Add a tablespoon of water, if needed.)
Bake at 350F for 45 minutes or until done.