Bring to a boil in a large saucepan:
Prepare:
Add the cardoons to the boiling water, partially cover, and reduce the heat to maintain a gentle simmer. Younger cardoons can be tender in as little as 15 minutes while mature ones may take up to 1 hour. Add more boiling water to the pan if needed. Drain well. You may cook them further as suggested in About Cardoons, or simply toss while warm with: