2 oz Bag or 1 lb Bag The traditional black mushroom of Oriental cuisine. The meaty flesh of the Shiitake has a full-bodied, distinctively woodsy flavor. Originally wild-harvested in Japan and Korea, Shiitakes are now cultivated around the world. Many health benefits have been attributed to eating Shiitake mushrooms, including strengthening the immune system. Use Shiitakes for a hearty mushroom soup or in savory sauces for meat and poultry.