M&M Bars 4 cups Cheerios 2 cups crisp rice cereal 2 cups dry roasted peanuts 2 cups M&M's 1 cup light corn syrup 1 cup granulated sugar 1 1/2 cups creamy peanut butter 1 teaspoon vanilla extract In a large bowl, combine the Cheerios, crisp rice cereal, peanuts and M&M's; set aside. In a saucepan, bring corn syrup and sugar to a boil, stirring frequently. Remove from the heat; stir in peanut butter and vanilla extract. Pour over cereal mixture and toss to coat evenly. Spread into a greased 15 x 10-inch baking pan. Cool. Cut into 3-inch square bars. Yields 15 bars.