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Meanwhile, for dressing, in a small bowl stir together the sour cream, salsa, cilantro, and lime juice. Set aside.
In a large bowl combine the pasta mixture, black beans, tomatoes, zucchini, and cheddar cheese. Pour the dressing over pasta mixture; toss gently to coat. Serve immediately or cover and refrigerate up to 24 hours. After chilling, if necessary, stir in enough milk to thin dressing to desired consistency.
From Ladies Home Journal Magazine.
posted by Jadelee111512