6 oz. semi-sweet chocolate chips
6 oz. butterscotch chips
1 can sweetened condensed milk
2 cups chopped walnuts
2 cups miniature marshmallows

Melt together chocolate chips, butterscotch chips, and condensed milk. Add chopped walnuts and marshmallows; mix well. Pour into buttered 9 inch pan. Refrigerate and cut into squares.