Scotcharoos

Directions

1. 1
   In a 2 quart pan, mix Karo and sugar.
2. 2
   Bring to a bubbling boil.
3. 3
   Remove from heat, add peanut butter and mix well.
4. 4
   Add Rice Krispies; stir until well coated.
5. 5
   Press mixture in a 9 x 13 x 2-inch pyrex pan which has been oiled or rubbed with butter.
6. 6
   Melt both kinds of chips and spread over top of mixture.