Potato-and-Leek Soup With White Truffle

Ingredients

• 6 medium leeks
• 8 tablespoons unsalted butter
• 3 ounces smoked bacon or smoked ham, in one piece
• 1 small stalk celery, thinly sliced
• 1 cup riesling wine
• 10 ounces (about 2 medium) Yukon gold potatoes, peeled and quartered
• 6 cups chicken stock
• 1 sprig thyme
• 2 cloves garlic, peeled and crushed
• Kosher salt and freshly ground white pepper to taste
• 2 to 3 tablespoons white truffle oil
• 1 small white truffle

• Nutritional Information

  • Nutritional analysis per serving (6 servings)

    460 calories; 30 grams fat; 12 grams saturated fat; 0 grams trans fat; 11 grams monounsaturated fat; 3 grams polyunsaturated fat; 31 grams carbohydrates; 3 grams dietary fiber; 8 grams sugars; 10 grams protein; 57 milligrams cholesterol; 464 milligrams sodium

  Note: Nutrient information is not available for all ingredients. Amount is based on available data.
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6 cups

Preparation

1. Remove the outer leaves and the coarse green part from the leeks. Split them lengthwise and rinse well. Slice thinly, keeping the green and white parts separate.
2. Melt 4 tablespoons of the butter in a soup pot set over medium heat and add the bacon. Cook, stirring occasionally, until the bacon is cooked but not browned. (Lower the heat if necessary.) Add the white part of the leeks and the celery and cook, stirring, until tender, 3 to 4 minutes.
3. Add the wine and simmer until the liquid is reduced by half. Add the potatoes, stock, thyme and garlic. Bring to a boil, lower to a simmer and cook until potatoes are tender, about 20 minutes. Add the green part of the leeks and cook a few minutes, until just tender but still bright green.
4. Remove and discard the bacon and thyme sprig. Working in batches, puree the soup, adding the remaining 4 tablespoons of butter to the blender as you work. Return the soup to the pot and season to taste with salt and pepper.
5. Just before serving, reheat the soup and whisk in the truffle oil. Cut the truffle into slivers and stir it in. Serve with croutons if desired.

45 minutes