Complex sentence: The oyster mushroom is frequently used in Japanese, Korean and Chinese cookery as a delicacy: it is frequently served on its own, in soups, stuffed, or in stir-fry recipes with soy sauce.
Split into simpler sentences: The oyster mushroom is frequently used in Japanese, Korean and Chinese cookery as a delicacy. It is frequently served on its own, in soups, stuffed, or in stir-fry recipes with soy sauce.