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Sour Cream Mashed Potatoes

These Sour Cream Mashed Potatoes are lightly tangy and satisfyingly rich. They’re a fantastic option for making decadent and creamy mashed potatoes without using heavy cream. 

Prep Time
10 mins
Cook Time
10 mins
Total Time
30 mins
Servings: 6 to 8 servings
Calories: 322 kcal
Course: Side Dish
Cuisine: American

Ingredients

  • 8 tablespoons (112g) butter salted or unsalted is fine
  • ¾ cup (180g) sour cream
  • 3 pounds russet or Yukon Gold potatoes peeled and chopped into roughly 1/2-inch pieces
  • 1 tablespoon table salt plus more as needed
  • ½ cup milk divided
  • pepper to taste

Instructions

    Cup of Yum
  1. Before preparing any of your other ingredients, cut butter into 1-inch pieces and set both the butter and your measured-out sour cream in a warm spot in your kitchen.
  2. Place the cut potatoes in a large pot and add water until the potatoes are completely submerged. Add salt and bring the pot to a boil and then reduce heat and bring the water down to a good simmer. Cook until the potatoes are tender—you should be able to easily mash a piece against the side of the pot with a fork, about 10-15 minutes.
  3. In the last couple minutes of cooking time for the potatoes, heat all of the milk in the microwave until it is steaming hot but not boiling.
  4. Drain the potatoes, add the cubed butter, and use a potato masher to mash the potatoes*. Stir in ¼ cup of the warmed milk and all of the sour cream.
  5. Taste and add more warmed milk, salt, and pepper as needed.
  6. To keep them warm, cover the potatoes until you’re ready to serve them. Enjoy!

Notes

  • *If using a mill or ricer, process the cooked potatoes first and then stir in the butter.
  • Approximate nutritional information is for 7 servings.

Nutrition Information

Calories 322kcal (16%)

Nutrition Facts

Serving: 6to 8 servings

Amount Per Serving

Calories 322

% Daily Value*

Calories 322kcal 16%

* Percent Daily Values are based on a 2,000 calorie diet.