Stir-Me-Nots (Squares)

1/2 cup butter or margarine melted into a 13x9 inch pan
Sprinkle 1 1/2 cups Graham cracker crumbs over butter
Sprinkle 1 cup shredded coconut over crumbs
Sprinkle 1 package semi-sweet chocolate chips over coconut
Pour 1 can sweetened condensed milk over all of this
Top with 1 cup chopped pecans or walnuts

Do not stir!  Bake 35-40 minutes at 350 F.