The potatoes look ready on the outside, but a knife catches in the middle. That’s the moment I learned not to rush the simmer: unevenly cooked chunks are hard to mash smoothly, even after they’ve been drained. For these creamy mashed potatoes, I cut the Yukon Golds into even pieces and let them cook until a knife slips through without resistance.
Yukon Golds give this bowl a naturally creamy texture, and warm butter and cream blend in more easily than cold dairy. I add that mixture gradually, then fold in sour cream at the end for a gentle tang. The result is rich without feeling heavy, with enough structure to hold a scoop on the Thanksgiving table.
There’s no complicated technique here, just a couple of details that make a noticeable difference: cook the potatoes evenly and don’t rush the moment they come out of the water. That’s how I get a smooth, buttery bowl that still tastes like potatoes.
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Warm the butter and cream over low heat just until the butter melts; don’t let the mixture boil. Keeping it gentle gives you a warm, pourable mixture ready to blend into the potatoes.
Save these creamy Thanksgiving mashed potatoes for a buttery, tangy side that’s made with Yukon Golds.
Why Yukon Golds Give You Creamy Potatoes Without a Heavy Mash
Potato choice shapes the texture before the butter ever hits the pot. Yukon Golds land in a useful middle ground: they mash up creamy, but they don’t have the dry, fluffy quality that can make a bowl feel more like whipped potatoes. Their mild, buttery flavor also works well with sour cream, which adds a little tang without taking over.
Once the potatoes are cooked, a hand masher gives you control over how far you take them. Mash until the pieces are broken down, then stir in the warm dairy gradually. Going at them hard with a high-speed appliance can release too much starch and leave the finished potatoes sticky or stretchy. A few small, soft lumps are a better trade than an overworked paste.
That balance is what makes this a dependable holiday side: the potatoes taste rich, but the potato itself still comes through. The sour cream sharpens the finish, while the butter and cream keep each scoop smooth and tender.
What the Butter, Cream, and Sour Cream Each Bring
- Yukon Gold potatoes — Their naturally creamy texture suits this mash. Choose firm potatoes without soft spots; russets work in the same peeled, evenly cut form, but give you a fluffier, less buttery-tasting result.
- Unsalted butter — Unsalted butter lets you control the seasoning. If salted butter is what you have, leave out the final teaspoon of kosher salt and taste before adding more; the result may need a small adjustment depending on the butter.
- Heavy cream — It gives the potatoes their rich, silky feel. Half-and-half can stand in at the same volume, though the mash will be a little less rich and thick.
- Sour cream — This adds a cool tang that cuts through the butter. Whole-milk Greek yogurt is the closest easy swap in an equal volume; it tastes tangier, so fold it in and taste before adjusting the seasoning.
- Ground black pepper — Finely ground pepper spreads evenly through the mash. Freshly ground pepper works too; use the listed amount for a more noticeable, sharper pepper flavor.
From Evenly Cooked Chunks to a Creamy Finish
Start the Potatoes in Cold, Salted Water
Put the peeled, 1 1/2-inch potato chunks in an 8-quart pot and cover them with cold water by 1 inch. Add 1 tablespoon of the kosher salt, then bring the pot to a boil over high heat. Once it boils, lower the heat and simmer for 15 to 20 minutes. They’re ready when a knife slides easily into a piece; if the center still resists, give the potatoes more time.
Let the Drained Potatoes Dry in the Pot
Drain the potatoes well, then return them to the pot over low heat. Shake the pot gently for 1 to 2 minutes, until the surface moisture evaporates. This stage should leave the potatoes looking dry rather than glossy with water. Keep the heat low and the pot moving gently so the bottom layer doesn’t catch.
Warm the Butter and Cream
While the potatoes cook, combine the butter, cut into tablespoons, and heavy cream in a 2-quart saucepan. Warm over low heat for 3 to 5 minutes, until the butter melts. The mixture should be warm and liquid, not bubbling. If the butter hasn’t melted yet, give it a little more time over low heat rather than turning up the burner.
Mash, Then Fold in the Tangy Finish
Mash the dry potatoes with a potato masher. Gradually stir in the warm butter-and-cream mixture, stopping when the potatoes look creamy. Fold in the sour cream, the remaining 1 teaspoon of kosher salt, and the black pepper. Serve the mash warm, while it’s soft and easy to scoop.
Three Ways to Adapt the Potatoes for Your Table
A dairy-free version
Replace the butter with vegan butter, the heavy cream with unsweetened oat creamer, and the sour cream with a dairy-free sour cream. The mash stays creamy, though the buttery richness and tang will depend on the brands you choose.
Leave the skins on for a rustic bowl
Scrub the Yukon Golds well and skip peeling them before cutting and cooking. The skins leave little flecks in the mash and give it a more rustic texture, rather than the smooth finish of peeled potatoes.
Use a ricer for a finer texture
If you prefer an especially even mash, press the cooked potatoes through a potato ricer instead of using a masher, then gradually stir in the warm butter and cream. It makes a lighter, more uniform texture, so stop mixing as soon as the dairy is incorporated.
Storage and Reheating
- Refrigerator: Store leftovers in a covered container for 3 to 4 days. They’ll firm up as they chill.
- Freezer: Freeze in an airtight container for up to 1 month for the best texture. Thaw overnight in the refrigerator; the potatoes may look slightly separated before reheating.
- Reheating: Warm gently in a saucepan over low heat, stirring often, or microwave in short intervals and stir between them. If the mash has thickened, stir in a little cream; high heat can make the texture greasy or uneven.
Questions That Come Up While Making These Mashed Potatoes
The Best Creamy Mashed Potatoes for Thanksgiving
Ingredients
Equipment
Method
- Put the potatoes in an 8-quart pot and cover with cold water by 1 inch; add 1 tablespoon of the salt.
- Bring the water to a boil over high heat.
- Reduce the heat and simmer for 15 to 20 minutes, until a knife slides easily into the potatoes.
- Drain the potatoes well and return them to the pot.
- Set the pot over low heat for 1 to 2 minutes, shaking it gently, until the surface moisture evaporates.
- While the potatoes cook, combine the butter and heavy cream in a 2-quart saucepan and warm over low heat for 3 to 5 minutes, until the butter melts; do not let the mixture boil.
- Mash the potatoes with a potato masher, then gradually stir in the warm butter-and-cream mixture until creamy.
- Fold in the sour cream, remaining 1 teaspoon salt, and black pepper.
- Serve warm.
