Fennel seeds are the small, oval-shaped seeds and have a distinct, sweet, and slightly licorice-like flavor, with a subtle hint of anise and citrus. They are light green to brownish in color and are commonly used both as a culinary spice and for medicinal purposes. In cooking, fennel seeds are often used whole or ground in a wide range of dishes, from savory curries and stews to baked goods and desserts. Where they add a sweet, aromatic touch to spice blends.