In a medium saucepan, COMBINE corn syrup and sugar.

Over medium heat, BRING mixture to a boil, stirring occasionally; BOIL for 1 minute; REMOVE from heat.

STIR in peanut butter until smooth.

In a large mixing bowl, ADD Rice Krispies; POUR mixture over top; STIR to coat well.

POUR mixture Into a greased 8-inch square pan; PRESS into a uniform thickness; COOL 15 minutes.

Cut into bars; STORE in tightly covered container.