1   Keebler® Ready Crust® Graham 2 Extra Servings Pie Crust 1   egg yolk, slightly beaten 2 cans  (21 oz.) apple pie filling 3/4 cup  all-purpose flour 3/4 cup  rolled oats 1/3 cup  granulated sugar 1/3 cup  packed brown sugar 1/3 cup  margarine or butter, melted     1. Brush bottom and sides of crust with egg yolk. Place on baking sheet. Bake at 375 degrees F for 5 minutes. 2. Spread pie filling in crust. In small bowl combine flour, oats, granulated sugar and brown sugar. Stir in margarine or butter. Sprinkle over pie filling. 3. Bake on baking sheet at 375 degrees F about 35 minutes or until filling is bubbly and topping is light brown. Serve warm or cool.