This tender morsel also grows wild in the Northwest but those sold in stores are mainly cultivated. Healthy as well as delicious, the Oyster contains protein, carbohydrates, fiber, B vitamins, minerals and an antioxidant. The Oyster's mild flavor works well in any dish calling for mushrooms and does especially well in less spicy dishes so the texture and flavor can be better appreciated. A delicious Zucchini & Oyster Mushroom Fettucine recipe inside the headcard.