Chex Mix Muddy Buddies Cookies & Cream. This product is made from crisp corn Chex pieces in a cookies & cream coating with a delightful powdery smooth finish. It is artificially flavored and provides sweet treats for anytime.Chex Mix Muddy Buddies Cookies & Cream 7 oz Bag. Crispy Corn Chex pieces in a cookies & cream coating with a delightful powdery smooth finish.Meet Your Muddy Buddy! Ive got multiple layers of crunchiness. My powdered sugary smooth exterior is irresistible. Im all about sweet & substance.