INGREDIENTS
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1 green onion
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2 tablespoons olive oil
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2 garlic cloves, minced
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1 cup chopped tomato
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3 tablespoons fresh lemon juice, divided
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1 tablespoon sherry vinegar
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1 teaspoon kosher salt, divided
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1 1/4 cups fat-free, less-sodium chicken broth
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2/3 cup uncooked couscous
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1/4 cup chopped fresh chives
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4 (6-ounce) sea bass or halibut fillets (about 1 1/2 inches thick)
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1/4 teaspoon freshly ground black pepper
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Cooking spray
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8 (1/4-inch-thick) slices lemon, halved (about 1 lemon)
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Whole chives (optional)