Nut Goody Bars

4 cups semisweet chocolate chips

2 cups butterscotch chips

2 cups crunchy peanut butter

1 cup walnuts

6 cups miniature marshmallows

Melt chips on low heat. Stir in peanut butter and walnuts. Take pan off heat, and quickly add the mini marshmallows. Stir until marshmallows are completely covered. Pour into a 9x13 inch greased pan. Refrigerate.