Ingredients
- 1 1/2 pounds round red potatoes—peeled, and cubed (8 cups)
- 1 teaspoon cider vinegar
- 1/4 cup diced red onion
- 1/4 cup diced celery
- 2 small green onions, chopped fine
- 1/4 cup low-fat sour cream
- 2 tablespoons buttermilk
- salt and pepper—to taste
- 1 ounce crumbled blue cheese (1/2 cup)
Directions
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Place potato in a large pot and cover with water. Bring to a boil and cook potatoes until tender. Drain and place in a large bowl; toss with a little cider vinegar (about a teaspoon) while warm. Add onion, celery, and green onions; toss gently. (The vinegar is an important step: it will help the flavors permeate the potatoes.)
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Combine sour cream and next 4 ingredients; stir well. Stir in cheese. Pour over potato mixture; toss gently to coat. Cover and chill overnight.