Bring corn syrup and sugar to a boil in a medium saucepan. Remove from heat; stir in peanut butter and vanilla.
Pour syrup mixture over cereal and peanuts. Stir to coat evenly. Pat mixture into greased 13 x 9-inch pan.
Mix topping ingredients together in microwave-safe bowl; microwave on HIGH (100%) for 30 to 45 seconds, or until melted. Stir until smooth. Spread over cereal mixture. Cool (or chill) 1 hour to set. Cut into bars.
About Corn Syrup
See why there’s no substituting Karo® Corn Syrups for treats with a delicate sweetness and smooth texture
Bring corn syrup and sugar to a boil in a medium saucepan. Remove from heat; stir in peanut butter and vanilla.
Pour syrup mixture over cereal and peanuts. Stir to coat evenly. Pat mixture into greased 13 x 9-inch pan.
Mix topping ingredients together in microwave-safe bowl; microwave on HIGH (100%) for 30 to 45 seconds, or until melted. Stir until smooth. Spread over cereal mixture. Cool (or chill) 1 hour to set. Cut into bars.