Chocolate-Butterscotch Rice Krispies Treats - cooking recipe

Ingredients

1/4 c. oleo
4 c. miniature marshmallows or 40 regular
1/2 c. peanut butter (optional)
6 c. Rice Krispies cereal
vegetable cooking spray
6 oz. chocolate chips *
6 oz. butterscotch chips *

Preparation

*I use 12 ounces of each!