To keep fennel fresher, what you should do as soon as you get home after buying it is to put it in a paper or plastic bag, make holes in the bag, and store it in the refrigerator. With this method, the fennel will last for days. Recommended recipes with fennel: - Pork Loin with Fennel and Garlic   - Pork Rib Crown with Fennel Stuffing - Fennel and Tangerine Salad - Salmon Papillote with Vegetables