1 c. sugar
1 c. peanut butter
1 c. light Karo
1 (6 oz.) pkg. chocolate chips
1 (6 oz.) pkg. butterscotch chips
6 c. Rice Krispies

Melt first three ingredients to boiling. Mix with Rice Krispies and spread in 9x13 cake pan. Melt chips in double boiler and spread over top. Chill for 2 hours, then cut into squares.