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Sour Cream and Onion Potato Salad

A creamy and flavorful potato salad that combines the classic taste of sour cream and onion with tender baby Yukon Gold potatoes, fresh chives, and a crunchy potato chip topping. Perfect for picnics and barbecues.

8 servings
50 min
Published October 4, 2025

Ingredients

  • •2 lb baby Yukon Gold potatoes
  • •1 cup kosher salt
  • •¾ cup sour cream
  • •¼ cup mayonnaise
  • •1 Tbsp onion powder
  • •2 tsp Dijon mustard
  • •1 tsp freshly ground black pepper
  • •1 clove garlic
  • •1 bunch chives
  • •¼ whole red onion
  • •½ cup sour cream and onion potato chips

Cooking Instructions

  1. 1.

    Place potatoes in a large pot and pour in 3 qt. water to cover. Add 1 cup salt and bring water to a boil over medium-high heat. (Yes, this is a lot of salt, but it's the right amount to ensure potatoes are seasoned through and through.) Reduce heat and simmer, adjusting heat as needed, until potatoes until fork-tender, 15-20 minutes. Scoop out 1/2 cup potato cooking liquid and set aside. Drain potatoes in a colander and let sit until cool enough to handle, about 10 minutes.

    30 min

  2. 2.

    Meanwhile, combine sour cream, mayonnaise, onion powder, mustard, and pepper in a large bowl and mix well to combine. Add garlic and half of chives and mix just to incorporate.

    5 min

  3. 3.

    Place red onion in a fine-mesh sieve and rinse for several seconds to take away some of its raw bite. Pat dry with paper towels. Mix half of onion into dressing; set aside remaining onion for serving.

    3 min

  4. 4.

    Working one at a time, set potatoes on a flat surface and crush slightly with the palm of your hand. Add to bowl with dressing along with 1/4 cup potato cooking liquid. Do this while the potatoes are still warm so that they can absorb all of the seasoning. Don't worry if the dressing looks a little loose and watery at the beginning-it will all get absorbed and become creamier as it sits. Taste and season with more salt or, if your dressing looks too thick, a splash of potato cooking liquid.

    10 min

  5. 5.

    Top potatoes with remaining chives and reserved onion and crumble potato chips over.

    2 min

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