This "cool with mushrooms and onions" is a refreshing and appetizing cold dish, perfect for summer. The onions are cut into thin pieces and marinated with a little salt, which not only removes the spicy taste but also brings out the sweetness; the mushrooms are scalded and then chilled to keep them crispy and bouncy. The seasoning uses sesame oil, soy sauce and garlic, which is simple but fragrant enough. Finally, some coriander is added to enhance the flavor, which makes the whole dish a little more fresh. The finished product tastes fresh and not greasy, with a savory and slightly sweet flavor. It is equally suitable as a side dish or snack.