INGREDIENTS
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2 cups macaroni
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1 red bell pepper, diced
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2 stalks celery, diced
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1/2 red onion, diced
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1/2 cup mayonaise
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1/2 cup sour cream
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1 1/2 tablespoons vinegar
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2 teaspoons mustard
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1 1/2 teaspoons sugar
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1/2 teaspoon salt
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1/4 teaspoon pepper