INGREDIENTS
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1 medium onion, chopped
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2 large carrots, chopped
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2 large celery stalks, thinly sliced
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8 cups chicken broth
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One 14.5-ounce can diced tomatoes, with juice
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2 medium zucchini, chopped
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1 1/2 cups chopped fresh green beans
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1 cup frozen peas
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1 teaspoon dried oregano
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1/2 teaspoon salt
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1/2 teaspoon ground black pepper
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1/2 cup chopped fresh basil
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1/2 cup grated Parmesan cheese