INGREDIENTS
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2 tablespoons soy sauce
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2 tablespoons rice wine vinegar
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1 1/2 tablespoons sesame oil
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2 teaspoons light brown sugar
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3/4 pound boneless chicken thighs , cut into 1/2-inch strips
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2 tablespoons finely chopped gingerroot
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2 cloves garlic , finely chopped
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3 tablespoons peanut or vegetable oil
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1/2 pound bok choy (1 head), trimmed and thinly sliced
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2 leeks (1/2 pound), halved lengthwise and thinly sliced
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Pinch chile flakes
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Salt, as needed
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Cooked rice , for serving