PREHEAT oven to 350° F.
MELT butter in 13 x 9-inch baking pan in oven; remove from oven. Sprinkle graham cracker crumbs over butter. Stir well; carefully press onto bottom of pan. Sprinkle with coconut and nuts. Pour sweetened condensed milk evenly over top. Sprinkle with morsels; press down lightly.
BAKE for 25 to 30 minutes or until light golden brown. Cool completely in pan on wire rack. Cut into bars.
Tip: For easier cutting of bars, line pan with foil, extending over edges of pan. Coat lightly with nonstick cooking spray. Bake and cool as directed above. Lift from pan; remove foil. Cut into bars.