Chocolate Peanut Butter Rice Krispie Treats

1 c. light Karo Syrup
1 c. sugar
1 c. creamy peanut butter
6 c. Rice Krispies cereal
1 pkg. milk chocolate chips
1 pkg. butterscotch or peanut butter chips

Mix Karo syrup and sugar in saucepan and heat until it boils. Remove from heat and add peanut butter. Mix well. Add Rice Krispies cereal, mix well. Spread into greased 9x13 pan. Melt chocolate chips and butterscotch chips together and spread over Rice Krispie treats. Let chocolate setup before serving (put in fridge to harden chocolate).