Toasted rice cereal From simple marshmallow squares to super-fun shapes, there’s a Rice Krispies Treats recipe for every occasion Each Kellogg's Rice Krispie is made from a single grain of rice Like all grains, rice is packed with carbohydrates. and a word that long must be good for you Carbohydrates are the best way to get energy from your food and when you're growing up you need lots of energy