Instructions

 1  cup white Karo syrup
1  cup white sugar
1½  cups peanut butter
1  teaspoon vanilla
6  cups crispy rice cereal
12  ounces butterscotch chips
6  ounces chocolate chips

Mix Karo syrup and sugar in a medium saucepan and bring to a boil. Remove from heat. Add vanilla, peanut butter and mix well. Pour cereal into a large bowl and pour syrup mixture over it. Stir gently to coat then pour into a greased 9x13-inch pan. Pat cereal mixture with wax paper to evenly fill pan. Melt all chips in a double boiler and spread melted mixture over cereal mixture. Cool and cut  into bars.