Fennel is used in some of the more widely known spices mixtures in the world like Panch Poran and Chinese 5 Spice powder. Fennel has a flavor that is similar to anise slightly licorice flavored. In addition to its prevalence as a spice in foodstuffs fennel is also used to flavor the famous spirit Absinthe. | Fennel seed is one of the worlds most widely used spices. Slight licorice flavor.