Peanut Butter Cereal treats

3 1/2 cups rice crispies cereal
1/2 cup sugar
1 Tablespoon butter
1/2 cup smooth peanut butter
1/2 cup light karo syrup

Pour cereal into medium bowl. Generously grease a 13X9 pan. In a medium saucepan bring sugar, and karo to a rolling boil stirring constantly. Add Peanut butter and butter to the sugar mixture. Stir until well blended. Pour over cereal and mix until all cereal is coated. Spread into prepared pan. Cool completely and cut into squares.