Sour Cream Mashed Potatoes

Creamy and rich mashed potatoes made with a combination of russet and Yukon Gold potatoes, enhanced with heavy cream, butter, and a finishing touch of sour cream for extra richness and tang.

8 servings
45 min

Ingredients

  • 3 pounds russet potatoes, peeled, cut into 2" pieces
  • 1 pound Yukon Gold potatoes, peeled, cut into 2" pieces
  • 1 tablespoon Kosher salt
  • 1 cup heavy cream
  • 1 cup whole milk
  • ½ cup (1 stick) unsalted butter; plus more for serving (optional)
  • ½ teaspoon Freshly ground black pepper
  • ½ cup sour cream
  • 1 piece A potato ricer

Cooking Instructions

  1. 1.

    Place potatoes in a large pot and cover with cold water by 2". Generously season with salt and bring to a boil. Reduce heat and simmer until tender, 10-15 minutes. Drain and transfer potatoes to a baking sheet; let stand until dry, 10-15 minutes. Set pot aside.

    30 min

  2. 2.

    Meanwhile, heat cream, milk, and butter in a medium saucepan over medium heat; season with salt and pepper.

    5 min

  3. 3.

    Pass potatoes through ricer into reserved pot. Mix in warm milk mixture, then sour cream; season with salt. Serve topped with pepper and more butter, if desired.

    10 min

  4. 4.

    DO AHEAD: Potatoes can be made 5 hours ahead. Cover and chill. Reheat gently, adding more milk to loosen as needed.