6 c. fine graham cracker crumbs
2 c. Pet milk
2 c. sugar
1 (12 oz.) pkg. chocolate chips
1/2 c. soft butter
1 c. chopped walnuts
2 tsp. vanilla

Put everything in but chocolate chips. Then stir them in last. Spread in pan, greased bottom with butter, 13x9 pan. Bake 350 for 35-45 minutes. Cut in squares after cool. Keep in refrigerator.