Streusel Topped Fruit Pie
["1 (9-inch) unbaked pastry shell", "2 (21 oz.) cans fruit pie filling", "1/2 c. all-purpose flour", "1/3 c. packed brown sugar", "1/4 c. butter or margarine", "1/4 c. chopped nuts (optional)"]
["Preheat oven to 400\u00b0.", "Spoon filling into pastry shell.", "In a bowl, combine flour and brown sugar.", "Cut in butter until mixture is crumbly. Stir in nuts. Crumble over pie filling.", "Bake 40 to 45 minutes or until top is golden and filling is bubbly. Remove to wire rack to cool. Makes 8 servings."]
["pastry shell", "fruit pie filling", "all-purpose", "brown sugar", "butter", "nuts"]