Preheat oven to 350 degrees. Melt butter in 19x13 inch pan.
(Layer ingredients in order listed.)
Sprinkle crumbs over butter.
Sprinkle coconut over crumbs.
Sprinkle chocolate chips, peanut butter chips, then nuts.
Pour one can sweetened condensed milk over all.
Bake at 350 degrees 25 minutes or until brown and bubbly. Cool completely before cutting.
*Omit peanuts and replace peanut butter chips with butterscotch chips for those with peanut allergies!