Scotcheroos

1 cup sugar
1 cup peanut butter
1 cup corn syrup
6 cups rice krispies

1 (6 oz.) bag chocolate chips
1 (6 oz.) bag butterscotch chips

-In large saucepan combine sugar and corn syrup, bring to a boil; remove from heat.
-Stir in peanut butter.
-Add rice krispies and mix until well blended.
-Press into buttered 9x13 pan.
-In saucepan melt together chocolate and butterscotch chips
-Spread over top of rice krispies.
-Cool.