1/2 c. butter
1 1/2 c. graham cracker crumbs
1 (11 1/2 oz.) pkg. Hershey's milk chocolate chips
1 1/2 c. flaked coconut
1 1/3 c. (14 oz. can) sweetened condensed milk (not evaporated)
1 1/2 c. mini marshmallows

Heat butter in 9 x 13 inch pan in 350 degree oven until melted. Remove from oven, sprinkle graham cracker crumbs evenly over butter and press down with fork. Sprinkle chocolate chips and coconut over crumbs; drizzle condensed milk evenly over top. Sprinkle with mini marshmallows. Bake at 350 degrees for 20 to 25 minutes or until marshmallows are golden. Cool completely, cut into bars. Cover and refrigerate leftovers.