Family Tested & Approved
Boil the sugar and Karo Syrup in microwave. Add vanilla and peanut butte. Then add the Rice Krispies and Corn Flakes. Put mixture into 9x13 pan/dish. and press flat.
Frost warm bars with 1/2 bag (or more)butterscotch chips and 1/2 bag chocolate chips (melt chips first.