Step 4
Measure cereal into large bowl; set aside. In 1-quart saucepan, melt peanut butter and chocolate chips over low heat, stirring constantly. Pour over cereal in bowl, stirring until evenly coated. Spread over frosted brownies. Refrigerate 1 hour or until set before cutting. For bars, cut into 6 rows by 4 rows. Store tightly covered at room temperature or in refrigerator.