Want to know the secret to a savory pot of collard greens or a slow-cooked potato soup? It isn't a dash of hot pepper sauce or a sprinkling of spices, but the addition of collagen and fat-laden ham ...

Kurobuta, which is also known as Berkshire pork, means “black pig” in Japanese. The pig is black with six white points: feet, face and switch (the last few inches of the tail). It has shorter muscle ...