Heat oven to 350F
1/2 cup butter or margarine
1 1/2 cups graham cracker crumbs
1 cup chopped walnuts
1 cup chocolate chips
1 1/2 cups flaked coconut
1 can sweetened condensed milk
Melt butter in 13x9" pan in oven.
Sprinkle graham crumbs evenly in pan.
Layer chopped nuts, then layer chocolate chips, then layer coconut.
Then pour milk over top.
Cook for approximately 20 minutes.
Cool, then cut into squares.