Combine flour, oatmeal, sugar and margarine. Mix until crumbly, reserve 1 cup of mixture. Press remainder into 9x13 inch pan and bake for 15 minutes. Bake remaining crumbs on separate pan at 350 degrees F for 10 minutes. Cool completely.
Spread Cheesecake Supreme and Cranberry Orange Relish on top.
Top with remaining oatmeal mixture.
Chill for 1 hour at 33 to 39 degrees F before cutting into bars.