2 c Sugar 1/2 c Butter; or margarine 1 c Evaporated milk 6 oz Chocolate chips,semisweet -1 pk 3/4 c Flour 1 c Graham cracker crumbs 3/4 c Walnuts; chopped 1 ts Vanilla In a saucepan, heat together sugar, butter and milk; boil 10 minutes. Stir in chocolate chips, flour, crumbs, walnuts and vanilla. Blend thoroughly. Spread in buttered 12 X 8 inch or 9 X 9 inch pan. Cool, cut into squares. wrap individually in plastic wrap.