Artichoke Hearts with Foie Gras

• 4 artichokes
• 1 lemon
• 2 tablespoons olive oil

Choose tender artichokes. Cut the hearts out carefully. Rub each heart with ½ lemon and place immediately in a bowl of cold water to keep colour fresh.

Bring water to the boil with olive oil and juice of ½ lemon. Add salt and pepper to taste and poach artichoke hearts in this liquid until they are tender, about 15 to 20 minutes, according to their size. Drain.

Melt butter in a f