- 2 tablespoons butter
- 1 medium onion (about 5 ounces) cut into one-fourth-inch dice
- 4 ounces leeks, white part only, cut into one-fourth-inch dice
- 1 green apple, peeled, cored and cut into one-fourth-inch dice
- 12 ounces fresh peeled or frozen chestnuts
- 1 rib of celery, cut into one-fourth-inch dice
- One-half pound celery root, cut into one-fourth-inch dice
- 3 sprigs of thyme
- 1 bay leaf
- 1 pint heavy cream
- 10 and one-half cups chicken stock or water
- Garnish: 8 ounces duck prosciutto or regular prosciutto cut very thin and dried in a 210-degree oven for about 1 and one-half hours or until it is dry and crispy (optional)
1)Melt the butter in a big pot over medium flame. Add the onion and leek, and cook, uncovered, for about 5 minutes without browning. Add the apple, chestnuts, celery, celery root, thyme and bay leaf and cook for 10 minutes without browning.
2)Add the cream and the chicken stock, bring to a boil and simmer for 45 minutes or until the vegetables are completely cooked and soft.
3)Remove the thyme and the bay leaf and puree in batches in a blender until smooth. Garnish with prosciutto, if desired. Serves 8.
(Adapted from the recipe of Bertrand Bouquin, chef at the Summit Restaurant at The Broadmoor, Colorado Springs, Colo.)