1 c. flour
1 c. oatmeal
1 c. brown sugar
1/4 lb. or 1/2 c. butter

Mix together like pie crust. Mixture will be crumbly. Spread 1/2 of mixture in a 9 inch square pan. Cover with 1 can of prepared pie filling. Cover with remainder of crumb mixture. Bake at 350 degrees for 30-40 minutes. Serve with whipped cream or ice cream.