Seven Layers of Heaven

1/2 C (1 stick) butter, melted
1 C graham cracker crumbs
1 C sweetened flaked coconut
1 C semisweet chocolate chips
1 C peanut butter chips
1-14 oz can sweetened condensed milk (see note)
1 C chopped walnuts

Preheat oven to 350 degrees. Pour melted butter evenly over bottom of an eight-inch square baking pan. Spread graham cracker crumbs evenly over butter. Layer with coconut then chocolate chips followed by peanut butter chips. Drizzle sweetened condensed milk over top and sprinkle with walnuts. Bake 30 to 40 minutes, or until lightly browned. Cool then cut into bars.