2, flaxseed oil is best used to adjust cold dishes, so that it will not destroy its nutrition, but also taste its fragrance, and it will make the prepared cold dishes attractive in color and taste, and it will make the cold dishes made by itself full of color and flavor. In addition to cold dishes, people can also add appropriate amount of linseed oil when preparing fruit salad or vegetable salad, which can also play an important role in improving taste and freshness.