"Leeks and potatoes go together like peanut butter and jelly, and gold potatoes are perfect in this creamy, rich soup. Plan ahead. The soup must be refrigerated overnight. May be served chilled or hot...."
INGREDIENTS
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4 large leeks (white bulbs only)
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2 tablespoons cider vinegar
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1/4 cup (1/2 stick) unsalted butter
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1 onion, thinly sliced
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4 Yukon Gold potatoes (about 1/2 pound each), peeled and thinly sliced
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4 cups defatted chicken broth, preferably homemade
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2 teaspoons fresh lemon juice
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1-1/2 cups milk
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2-1/4 cups heavy (or whipping) cream
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Salt and freshly ground black pepper, to taste
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6 teaspoons American golden caviar, for garnish
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1 bunch fresh chives, snipped, for garnish
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1/2 cup sour cream, for garnish