Beef knuckles are the large joints located at the knees and hips of the cattle. Unlike muscle meats, these cuts are prized for being incredibly rich in cartilage, connective tissue, and marrow. They are the powerhouse ingredient for anyone looking to add deep flavor and biological value to their cooking or pet’s diet. If you are looking to make a restaurant-quality Bone Broth, Pho, or Demi-Glace, beef knuckles are your best friend. Because they contain a high ratio of cartilage-to-bone, they release a significant amount of gelatin when simmered