Preheat oven to 350F. In a large bowl, combine all crust ingredients, mixing until crumbs are moistened. Press crumbs onto bottom and sides of 9-inch pie plate. Pour filling into crust. Sprinkle topping over filling. Bake at 350F for approximately 1 hour or until apples are done and pie is bubbly.
Combine all ingredients in large bowl and mix well. Spoon into crust.
Combine flour, sugar and cinnamon together in small bowl. Blend in margarine until mixture is crumbly. Sprinkle over filling.
Cajun Country -- New Iberia, Louisiana