In 13" baking pan, melt butter and add grahm cracker crumbs. Blend well and pat lightly to cover bott of pan. Pour condensed mil evenly over crumbs. (do not try to spread) In layers add chocolate and butterscotchips, coconut and nuts. Press lightly and bake 25 - 30 minutes or until light brown. Cool and cut. Store in tight covered container.