Fennel Seed is the oval, green or yellowish brown dried fruit of Foeniculum vulgare, a member of the parsley family. Toasting Fennel Seeds accentuates their flavor. Fennel Seed added to meatballs or meat loaf gives an authentic Italian flavor. Sauté Fennel Seed with sliced peppers, onion, and sausage for a quick pasta sauce. Fennel has an anise like flavor but is more aromatic, sweeter and less pungent.