Combine sugar and syrup in 3-quart saucepan. Cook over moderate heat, stirring frequently, until mixture begins to bubble. Remove from heat. Stir in peanut butter: mix well. Add Rice Krispies; stir until well-blended 13 x 9-inch pan.
Melt Nestle's Chocolate Morsels and Butterscotch Morsels together over very low heat or over hot but not boiling water, stirring until well-blended. Remove from heat; spread evenly over Roce Krispies mixture. Cool until firm. Cut into bars. Yield: 48 bars, 2x1 inches.