3 (3-1/2 cups) medium Granny Smith, or other cooking apples, peeled, thinly sliced
3/4 cup granulated sugar
1 tsp. cinnamon
1/2 cup chopped walnuts
Combine graham cracker crumbs, flour, brown sugar and baking soda in large bowl; mix well. Cut butter into mixture, using a pastry blender or two knives, until crumbly. Transfer 1-1/2 cups mixture to medium bowl, set aside.
Pat remaining crumbs into ungreased 13x9-inch baking dish and top with cheese. In medium bowl, combine apples, sugar and cinnamon; mix well and spread over cheese. Mix reserved crumb mixture with walnuts and sprinkle over apple mixture.
Bake in preheated 350°F oven 40 minutes or until golden brown and apples are tender. Cool; cut into squares and serve.