Chocolate Scotcheroos

from the Rice Krispies Box

(see also Oh Henry Bars for a similar recipe)

6 cups Rice Krispies Cereal
1 cup light corn syrup
1 cup sugar
1 cup peanut butter
1 cup semi-sweet chocolate chips
1 cup butterscotch chips

Place corn syrup and sugar into large saucepan.  Cook over medium heat, stirring frequently, until sugar dissolves and mixture begins to boil.  Remove from heat.  Stir in peanut butter.  Mix well.  Add Rice Krispies cereal.  Stir until well-coated.  Press mixture into 13x9x2" pan coated with cooking spray.  Set aside.  Melt chocolate and butterscotch chips together in small saucepan over low heat, stirring constantly.  (Or microwave.)  Spread evenly over cereal mixture.  Let stand until firm.  Cut into 2x1" bars.