Celery is a long green plant that grows in stalks with leaves on the ends. It makes an excellent low fat snack and can be eaten raw or cooked. Celery is available all year round. Storage If you wrap celery, top to bottom, in foil, and put it in your fridge, it will last up to 10 days without going rubbery. Nutrition Celery is an excellent source of dietary fibre and a good source of Potassium, which counters an overload of Sodium in our bodies. Ideal Use Celery is highly versatile ? it’s a great low fat snack, great in stews and casseroles and great for a little extra crunch in a salad. Celery can be eaten cooked or raw, it tastes good either way.