Apple Crisp

5 Granny Smith (or tart) apples
1 c. sugar
1/2 c. butter (softened)
1 c. oatmeal
1/2 c. flour
1/2 c. brown sugar
1/2 c. chopped walnuts
Cinnamon

Grease 9 x 9 square baking dish with butter.  Slice apples thinly then sprinkle with cinnamon. Place in dish.  Combine the remaining ingredients and place on top of apples.  Press mixture slightly.  Cover with foil and bake at 350 degrees for 15 minutes, then bake uncovered for 45 minutes.

*You may use fruit pie filling (cherry, peach, apple, etc.) in place of apples.