INGREDIENTS
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1 1/2 pounds green lettuce, such as 1 1/2 large heads romaine or 2 heads butter lettuce
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2 large leeks (white and light green parts only), split lengthwise, rinsed well, and sliced
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2 tablespoons butter
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About 1/4 tsp. freshly grated nutmeg
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Zest of 1 lemon
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3/4 teaspoon kosher salt
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1/4 teaspoon pepper
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1 qt. reduced-sodium chicken broth
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1/2 cup half-and-half