No-Bake Rocky Road Bars

1/2 cup butter
1 (12-ounce) package (2 cups) real semi-sweet chocolate chips
1 cup butterscotch-flavored chips
1 cup peanut butter
4 cups crisp rice cereal
3 cups miniature marshmallows

Combine butter, chocolate chips and butterscotch chips in 4-quart saucepan. Cook over low heat, stirring constantly, until melted (4 to 6 minutes). Stir in peanut butter until well mixed.

Remove from heat. Add cereal and marshmallows; toss until well coated. Press mixture onto bottom of buttered 13x9-inch baking pan. Refrigerate until firm (about 30 minutes). Cut into bars. Store refrigerated. Makes 48 bars