Use this streusel topping for fruit pies, crisps or coffee cakes. If desired, 1/2 cup chopped walnuts or pecans can be used in addition to or in place of the oats.
Mix flour, brown sugar and cinnamon sugar in medium bowl.
Cut in butter with pastry blender or 2 knives until mixture resembles coarse crumbs. Stir in oats.
Sprinkle over fruit pie, crisp or coffee cake. Bake as directed on recipe.