6 to 8
By Joyce Goldstein
Cardoons look like giant prickly celery, but taste like artichokes, and are often served in gratins. Fennel would make a good substitute for the cardoons.
Preheat an oven to 350 degrees F. Butter a 2-quart baking dish.
Have ready a large bowl of water to which you have added the lemon juice. Trim the prickly leaves from the cardoons and