Ground Fennel Seeds All Natural by Its Delish Our high-quality fennel seed powder is great for lamb, fish, vegetables, soups, stews, sauces, salads, grains, and desserts. Fennel seeds are the primary flavor component in Italian sausage. Dill, coriander, and caraway are similar-looking herbs, but shorter-growing than fennel. Try all our spices and herbs, you'll love 'em!