Instructions

1. Bring karo and sugar to a low boil in a large pot.
2. Add peanut butter and mix well, reducing heat.
3. Turn off heat.
4. Add the Rice Krispies and stir til completely coated.
5. Press mixture into a lightly greased 9 X 13 pan.
6. Melt both types of chips in a double boiler til smooth and combined.
7. Pour chip mixture over krispy mixture and spread evenly.
8. Let chill til chocolate is set.
9. Leave treats at room temperature after chocolate is set.