Cranberry casserole

3 cups chopped apples
2 cups fresh cranberries
2 cups white sugar
1 ½ cups oatmeal
½ cup brown sugar
1/3 cup plain flour
1 stick margarine, melted
½ cup chopped pecans
Grease casserole dish. Combine apples, and cranberries. Add white sugar and mix well. Combine oatmeal, brown sugar, flour and melted margarine. Sprinkle over top of apples and cranberries.
Bake 30 minutes at 350 degrees. Take out of oven and sprinkle chopped pecans over top and bake 30 minutes more.
Serve hot or cold.