No-Bake Cheerio Bars

No-Bake Cheerio Bars 1 cup white sugar 1 1/4 cup light corn syrup 1 cup peanut butter 1 1/2 teaspoons vanilla extract 1 cup peanuts, chopped (optional) 6 cups Cheerios Grease a 9x13-inch baking pan with non-stick spray and set aside. In a medium saucepan, mix together sugar and corn syrup. Bring to a boil and add peanut butter and vanilla. Mix until smooth. In a large bowl, stir together Cheerios and peanuts, if using. Pour peanut butter mixture over and stir until combined. Spread mixture into prepared baking sheet and let sit until firm. Slice, serve