In a large pan, bring the corn syrup and sugar to a boil to create a syrup.
Remove from heat and add the peanut butter, mixing well.
Stir in the 5 cups of rice krispies.
Press the mixture into a 13x9 pan and let cool completely.
Melt the butterscotch chips and chocolate chips in a double boiler.
Spread the melted chips over the cooled rice krispie mixture and let cool completely.
