• Coat a 9 by 13-inch pan with cooking spray. Alternatively, you can grease the pan with a thin layer of butter or shortening.
• Combine sugar, corn syrup. Cook over medium heat until mixture bubbles.
• Remove from heat and stir in peanut butter.
• Add cereal and stir until well coated. Press mixture into buttered pan.
• Melt chocolate and butterscotch chips in the microwave. Stir after 45 seconds, then return to the microwave for 30 more seconds. Stir again to melt the chips. Return to the microwave for another 30 seconds if needed.
• When the chips have melted, pour over the cereal mixture. Let cool, then cut into rectangles. Makes about 48 bars.

Instructions for Marshmallow Chocolate Scotcheroo Bars

• Coat a 9 by 13-inch pan with cooking spray. Alternatively, you can grease the pan with a thin layer of butter or shortening.
• Heat butter and marshmallows in a microwave-safe bowl in the microwave on high for 2 minutes. Stir, then return the mixture to the microwave for another minute. Stir until smooth. If the marshmallows are not completely melted, return to the microwave for another 30 seconds. Repeat the stirring and 30-second heating process until you get a smooth mixture, as microwave heating times may vary.
• Mix in the cereal and stir until well coated. Press mixture into buttered pan.
• Melt chocolate and butterscotch chips in the microwave. Stir after 45 seconds, then return to the microwave for 30 more seconds. Stir again to melt the chips. Return to the microwave for another 30 seconds if needed.
• When the chips have melted, pour over the cereal mixture. Let cool, then cut into rectangles. Makes about 48 bars.