INGREDIENTS
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1/3 cup balsamic vinegar
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2 large boneless, skinless chicken breasts
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1 Tablespoon extra virgin olive oil
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1/2 teaspoon salt
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1/4 teaspoon freshly ground black pepper
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1 pint cherry or grape tomatoes, halved
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2 cloves garlic, peeled and minced
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1 medium onion, chopped
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4 large leaves basil, sliced