3 tablespoons butter or 3 tablespoons margarine, melted |
1 cup graham cracker crumbs |
1 (14 ounce) can sweetened condensed milk |
1/4 cup lemon juice |
1 (8 ounce) carton sour cream |
1 (21 ounce) can apple pie filling |
1/4 cup chopped walnuts |
1/2 teaspoon ground cinnamon |