Ma's Seven Layer Cookie Bars

Ingredients:
1 stick of margarine (1/2 cup)
1 cup graham cracker crumbs
1 cup coconut
1 package chocolate chips
1 package of butterscotch chips
1 cup nuts (chopped)
1 can condensed milk

Directions:
Melt margarine, add crumbs in a 9 x 13 pan, add other ingredients except milk then pour milk over all.bake 350 degrees for 30 minutes