Spearmint is a parent of peppermint and one of the oldest mints cultivated. Spearmint is used in cooking, teas and herbal body care products as well as flavoring foods like jellies, jams, candies, sauces, desserts and fruit dishes.ÊFrontier Co-op¨ Spearmint Leaf is a pleasant-tasting herb that stays minty whether taken fresh or dry.