Magic Bars

1 cup coconut
1 package milk chocolate chips
1 package graham cracker crumbs
1 cube melted butter
1 can sweetened condensed milk
Optional: marshmallows

Mix butter and crackers and press into a 9 x 13 pan. Layer coconut, and chocolate chips (marshmallows). Drizzle sweetened milk over the top. Bake at 350 degrees for 20-25 minutes.