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Buttermilk Potatoes Au Gratin

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“The buttermilk adds a really creamy texture to this au gratin recipe, and the four-cheese sauce mix gives a nice cheesy taste, but one that doesn't overpower the potato flavor in the dish.”
READY IN:
50mins
SERVES:
6
UNITS:
US

Ingredients Nutrition

  • 2 lbs red baby potatoes, thinly sliced
  • 1 12 ounces knorr four cheese pasta sauce mix, such as Knorr brand
  • 1 12 cups buttermilk
  • 4 tablespoons chopped chives, divided
  • 1 -2 tablespoon Dijon mustard, to taste

Directions

  1. Heat oven to 350°F In saucepan, bring potatoes, and enough salted water to cover, to a boil. Cook 12 minutes more and drain.
  2. Meanwhile, prepare sauce mix according to package directions, substituting buttermilk for regular milk. Stir in 2 tablespoons of the chives, and the mustard. Reserve 1/2 cup of the sauce.
  3. In a bowl, combine potatoes and remaining sauce; spoon into a 1-1/2 quart ovenproof casserole dish.
  4. Bake uncovered for 20 minutes, or until heated through, pouring reserved sauce over potatoes during the last 5 minutes of cooking. Sprinkle with remaining chives and serve.

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