Thick, rich & bold. Loaded with molasses, onions & spices. Estd. 1978. Kettle cooked. The American. An American Original: KC Masterpiece BBQ Sauce is kettle cooked to produce rich layers of sweet, smoky flavor. This award-winning sauce has the perfect blend of tomato, onion, molasses and spices to please your whole family. Add this deliciously rich and complex KC Masterpiece sauce to make any meal delicious.