3/4 cup Butter or Margarine
3 cups Graham Cracker Crumbs
6 ounces semi-sweet Chocolate Chips
1 cup Butterscotch Chips
1 cup Mini Marshmallows
14 ounces Sweetened Condensed Milk
Combine the butter and crumbs, and spread into a greased 9 x 13. Sprinkle with the chips and marshmallows. Pour the milk on top.
Bake at 350-degrees for 25 minutes.
Chill for one hour.