INGREDIENTS
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olive oil
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medium leek, white and pale-green parts only, halved lengthwise, sliced crosswise 1/2-inch thick
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celery stalk, sliced crosswise 1/2-inch thick
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skinless, boneless chicken thighs
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low-sodium chicken broth
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Kosher salt, freshly ground pepper
•
orzo
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chopped fresh dill
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Lemon halves (for serving)