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Mashed Potatoes with Sour Cream

Mashed Potatoes with Sour Cream


Description

These creamy mashed potatoes with sour cream feature fluffy russet potatoes enriched with tangy sour cream and butter. This sour cream mashed potatoes recipe creates the most flavorful, restaurant-quality results with just a simple ingredient swap.

Prep Time: 10 minutes | Cook Time: 25 minutes | Total Time: 35 minutes | Servings: 6Mashed Potatoes with Sour Cream


Ingredients

Scale
  • 2 lbs russet potatoes, peeled and cubed (about 45 medium potatoes—high starch is crucial)
  • 1/2 cup sour cream (full-fat for best flavor and texture)
  • 1/4 cup unsalted butter (half a stick)
  • 1/4 cup whole milk (2% works but whole is creamier)
  • Salt, to taste (start with 1 tbsp for cooking water, plus 1 tsp for seasoning)
  • Black pepper, to taste (start with ½ tsp and adjust)
  • Chives, chopped (for garnish—about 2 tablespoons fresh)

Instructions

  1. Peel those russet potatoes and cube them into roughly 2-inch pieces. Try to keep them similar in size for even cooking.
  2. Place the cubed potatoes in a large pot and cover with cold water—start with cold, not hot. Add a generous tablespoon of salt to the water. This is your only chance to season inside the potatoes.
  3. Bring the water to a boil over high heat, then reduce to a gentle simmer. Cook for 15-20 minutes until the potatoes are fork-tender—a fork should slide through with zero resistance.
  4. Drain the potatoes really well in a colander. Here’s the crucial step most people skip: return them to the hot pot and place over low heat for about 1 minute, stirring occasionally. This evaporates excess moisture and prevents watery potatoes.
  5. Remove from heat and mash the potatoes using a potato masher until smooth. Don’t use an electric mixer or food processor—they overwork the starches and make everything gummy. Hand mashing is essential.
  6. Add the sour cream, butter, and milk to the mashed potatoes while they’re still hot. The heat will melt the butter into every bite. Stir gently until everything’s combined and creamy.
  7. Season with salt and black pepper to taste. Remember you salted the cooking water, so taste before adding more. Start with about 1 teaspoon salt and ½ teaspoon pepper, then adjust.
  8. Transfer to a serving dish, garnish generously with chopped fresh chives, and serve immediately while hot and fluffy. These are best enjoyed fresh when they’re at peak creaminess.

Nutrition Information (Per Serving):

  • Calories: 215
  • Carbohydrates: 30g
  • Protein: 4g
  • Fat: 10g
  • Fiber: 2g
  • Sodium: 250mg
  • Vitamin C: 30% DV
  • Potassium: 20% DV
  • Calcium: 6% DV

Note: The sour cream adds protein and calcium while creating incredible tangy flavor.

Notes:

  • Use russet potatoes—not waxy varieties. The high starch content is what makes them fluffy. Other types get gummy.
  • Don’t skip drying the potatoes after draining. That minute in the hot pot evaporates moisture and prevents watery potatoes.
  • Hand mash only—no electric mixers. Overworking creates gummy potatoes. Stop as soon as they’re smooth.
  • Season generously. Potatoes need more salt than most things. Taste and adjust until they’re properly seasoned.

Storage Tips:

  • Refrigerator: Cool completely and store in an airtight container for up to 4 days. The sour cream helps them stay creamy.
  • Reheating: Warm gently in a pot over low heat, stirring frequently and adding a splash of milk to loosen.
  • Not great for freezing. Mashed potatoes get grainy and watery when frozen and thawed. These are best enjoyed fresh or within 4 days.

Serving Suggestions:

  • Holiday Table: Serve alongside roasted turkey, prime rib, or ham for Thanksgiving or Christmas dinner.
  • Weeknight Dinner: Pair with meatloaf, roasted chicken, or pork chops for classic comfort food.
  • Steak Night: Serve with grilled steak and sautéed mushrooms for an upscale dinner at home.
  • Fish Dinner: The tangy sour cream pairs beautifully with baked or grilled fish.

Mix It Up (Recipe Variations):

  • Loaded Sour Cream Potatoes: Add crumbled bacon, shredded cheddar, and extra chives for loaded baked potato vibes.
  • Garlic Sour Cream Mashed Potatoes: Roast 6-8 garlic cloves and mash them in for sweet, mellow garlic flavor.
  • Herb-Infused Potatoes: Add fresh dill or parsley along with chives for more complex herb flavor.
  • Lighter Greek Yogurt Version: Use Greek yogurt instead of sour cream for similar tang with more protein and less fat.

What Makes This Recipe Special:

This mashed potatoes with sour cream recipe honors comfort food traditions while adding Eastern European influences through the use of sour cream. The acidity in sour cream brightens rich, starchy potatoes while adding creamy texture and complex flavor. What makes this version foolproof is the technique of properly draining and drying potatoes before mashing, and hand-mashing to prevent gumminess. The result is mashed potatoes with personality—tangy, creamy, and absolutely addictive.