Mix sugar and Karo together and bring to a boil. Remove from heat and mix toge ther with peanut butter. Gradually stir in the 6 cups of Rice Krispies and put in 9 x 13 inch cake pan which has been lightly coated with butter. Cool. When this is cooled, melt butterscotch and chocolate bits together and pour on top of Rice Krispies mixture. When the melted bits have hardened, cut into one inc h squares and Enjoy! Sarah Karchner busted by sooz