Five Layer Cookies

1/2 cup melted butter
1 1/2 cups graham cracker crumbs
1 cup chopped nuts (like walnuts)
1 cup chocolate chips
1 1/3 cups flaked coconut (if desired)
1 1/3 cups sweetened condensed milk (1 can)

Pour melted butter on to the bottom of a 13x9" pan (or melt in metal pan). Sprinkle crumbs over butter. Sprinkle nuts over crumbs. Sprinkle chips over nuts evenly. Sprinkle coconut over chocolate. Pour condensed milk over coconut. Bake 20 minutes at 350* and cool in the pan. Cut into bars.