Simple and relatively speedy, our easy Sour Cream Mashed Potatoes feels like comfort from the very first spoonful.
These Sour Cream Mashed Potatoes are buttery, dreamy, and soul-soothing, with just the right tang and richness — perfect as a cozy side dish for everyday meals, Sunday dinners, or holiday feasts.
What makes this version special? Mashed potatoes are one of the most versatile and budget-friendly side dishes out there, and this recipe takes them up a notch with the addition of fresh sour cream. It’s all in the balance of creamy dairy and perfectly cooked russets, and a few simple seasonings that bring out the potatoes’ natural flavor.
These mashed potatoes are rich without being heavy, smooth without being gluey, and always a crowd-pleaser.
🍽 Why These Ingredients Matter
Russet potatoes: Their high starch helps break down easily and absorb dairy, giving you a fluffier, smoother texture than waxy potatoes.
Butter: Adds deep, rich flavor and a silky mouthfeel.
Cream cheese: Brings a layer of creaminess and body that’s hard to beat.
Sour cream: Offers that tangy lift and keeps your mash moist without watering it down.
Garlic powder & pepper: Simple seasonings that enhance without stealing the show.
🥣 Serving Suggestions
These sour cream mashed potatoes are incredibly versatile:
- Pair them with roasted chicken or turkey
- Serve them next to slow-cooked brisket or pot roast
- Add a pat of butter on top and a sprinkle of fresh herbs
They’re comfort food with purpose — reliable, soothing, and always welcomed at the table.
💡 Tips for Creamy, Dreamy Mash
- Don’t rush cooking: Potatoes should be fully tender before mashing.
- Warm your dairy: If possible, gently warm butter and sour cream before folding in — it helps them blend smoothly.
- Taste as you go: Potatoes absorb salt as they cook, so adjust at the end for the best flavor.
Frequently Asked Question(s)
The sour cream is enough in this recipe. If you are boiling the potatoes with broth, instead of using milk or heavy cream, consider Greek yogurt, coconut milk, almond milk, soy milk, and cheese.
Parsley, rosemary, chives, and sage are all great fresh herbs to use in homemade mashed potatoes with sour cream.
Yes — Yukon Golds yield a slightly creamier texture and work beautifully.
Yes! Mashed potatoes freeze well once fully mashed, especially with added butter and sour cream, and can be reheated gently with a splash of milk or butter.
How To Store Sour Cream Mashed Potatoes
Any kind of mashed potatoes are almost always best served immediately, and they will never be quite the same once reheated. Unfortunately, freezing mashed potatoes has an adverse effect on both the texture and the taste. However, if you do have any leftovers, you can keep them covered in the fridge for up to 3 days.
To reheat your leftovers, you can add a splash more milk to them before transferring them to an oven proof dish. Add some slices of butter over the top and bake at 350 F for about 10 minutes or until they are heated up enough for your liking.
How To Reheat
Reheating your sour mashed potatoes very simple. First, let the potatoes thaw out in the refrigerator at least 48 hours before serving.
Once the potatoes are thawed out, the following are a few options when it comes to reheating your side dish.
- Microwave Method: Transfer the mashed potatoes to a microwave safe bowl. Cover with a lid suitable to reheat food. Reheat in increments of 5 minutes; stirring after every heating session.
- Stovetop Method: Once thawed, to reheat your mashed potatoes, transfer the side dish in a suitable size pot, reheat over medium heat while stirring occasionally. Add more milk, butter or cream if needed. Season to taste if necessary.
- Oven Method: Thaw the mashed potatoes in the refrigerator. Transfer the potatoes in a baking dish and cover with aluminum foil. Reheat at 330°F for about 45 minutes, or until the potatoes are heated through. Add more milk, butter or cream if needed. Season to taste if necessary.
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Homemade Sour Cream Mashed Potatoes Recipe
Equipment
- Saucepan
Ingredients
- 3 Lbs. russet potatoes; peeled, wash and cubed
- 8 cups water
- 6 Tbsp. unsalted Butter; divided
- 1 pk. 8 ounces cream cheese
- 1 cup sour cream
- ½ tsp. Garlic Powder optional
- ¼ tsp. Ground Black Pepper
- salt to taste
Instructions
- In a large saucepan, add in the potatoes and cover with water. Bring to a boil over high heat. Reduce heat to medium low; cover partially and simmer for 10-15 minutes or until tender. Drain the potatoes.
- Mash potatoes (with a potato masher) with 3 tablespoons of butter. Stir in the cream cheese, sour cream, onion salt, garlic powder and pepper. Continue mashing until smooth. Stir in the remaining butter.
- Garnish with fresh chives and butter. Serve warm and enjoy.
Erin says
I love mashed potatoes and would easily eat them every meal if I could. The addition of sour cream in these mashed potatoes adds a creamy flavor that I just love.
Mirlene says
thank you very much, Erin.
Diana Reis says
Sour cream takes these potatoes to the next level. Love that little punch it adds.
Mirlene says
thank you, Diana
Tania says
This is such a great recipe! Love how fluffy and creamy the potatoes are. Beautiful texture!
Mirlene says
Thanks Tania
Jovita says
So simple yet so GOOD (I bet). Thank you for this comforting recipe!
Kushigalu says
LOve mashed potatoes and this sounds amazing. Can’t wait to try this version soon.
Mirlene says
Hope you get a chance to Enjoy it.