Pleurotus eryngii, commonly known as the king oyster mushroom, is a species of edible fungus belonging to the Pleurotaceae family. It is characterized by its thick, meaty stem and broad, umbrella-like cap, which can range in color from white to light brown. This mushroom is native to Mediterranean regions and is often found growing on decaying wood or plant matter. The king oyster mushroom is prized for its culinary versatility and rich, umami flavor. It is commonly used in various dishes, including stir-fries, soups, and grilled preparations. Additionally, Pleurotus eryngii is known for its nutritional benefits, being a good source of protein, fiber, and essential vitamins.