The Best Creamy Mashed Potatoes for Thanksgiving

When the potatoes are tender, the water is drained, and the pot goes back over low heat, the surface starts to look matte instead of glossy. That small change matters:…

By Willow • October 14, 2026 • Reading time: 8 min

Save Recipe Print Recipe

Tip: save now, cook later.

When the potatoes are tender, the water is drained, and the pot goes back over low heat, the surface starts to look matte instead of glossy. That small change matters: wet potatoes can turn a bowl of mashed potatoes loose and heavy, even after you add butter and cream. I use that dry-pot moment to set up these creamy mashed potatoes for Thanksgiving, with Yukon Golds that mash smoothly and have plenty of their own buttery flavor.

I keep the chunks a consistent size, start them in cold salted water, and warm the cream and butter while they cook. The dairy should be steaming, not boiling, so it blends in without cooling the potatoes or scorching in the saucepan. Once everything comes together, the mash is smooth, rich, and easy to serve alongside the rest of the holiday meal.

Cold Water Is What Keeps the Outside From Falling Apart First

Potatoes don’t cook evenly from the outside in at the same pace. If the water starts hot, the outer layer can soften and break down while the centers are still firm. Starting with cold water gives the chunks time to warm through more gradually, so the outside doesn’t turn to mush before a knife can slide into the middle.

Cutting the Yukon Golds into similarly sized chunks helps just as much. A small piece can collapse while a larger one still feels hard, and those uneven pieces won’t mash into the same smooth texture. Keep the water about an inch above the potatoes, then bring the pot to a boil and lower it to a simmer. The potatoes are ready when a knife slips in easily, not just when the timer says they ought to be.

This is especially helpful when you’re making a full pot for a holiday meal. You get tender pieces that mash together evenly, rather than a mix of watery edges and stubborn lumps.

Why Yukon Golds, Cream, and Unsalted Butter Belong in This Bowl

• Yukon Gold potatoes — Their naturally creamy texture gives the mash a smooth, buttery quality without needing an extra ingredient. Choose firm potatoes without soft spots; the peel-and-chunk prep matters because evenly cut pieces finish cooking together. Russets can work if that’s what you have, but they make a lighter, fluffier mash rather than this close-textured one.
• Heavy cream — It brings richness and body that milk won’t quite match. The least expensive carton is fine here; freshness matters more than brand. For a dairy-free version, unsweetened oat milk is a workable swap, though the potatoes will be less rich.
• Unsalted butter — Butter adds the rounded flavor and soft texture that make these potatoes feel complete. Unsalted butter lets you control the seasoning at the end, and a basic store-brand stick works well. For a dairy-free batch, use a plant-based butter in its place.
• Kosher salt and black pepper — The salt seasons both the cooking water and the finished mash, while black pepper adds a gentle savory edge. Keep the salt divided as you cook so the potatoes are seasoned throughout, then taste the finished bowl before serving.

How to Cook, Dry, and Mash the Potatoes Without Losing Their Creaminess

Simmer the chunks until a knife slips in easily

Put the peeled, 1 1/2-inch potato chunks in a 6-quart pot with cold water and 1 teaspoon of the kosher salt. Bring the water to a boil over high heat, then reduce the heat and simmer for 15 to 20 minutes. Check a potato with a knife; it should slide in easily without the piece breaking apart in the water. If the center still resists, keep simmering and check again rather than mashing firm potatoes into stubborn lumps.

Warm the cream and butter gently

While the potatoes cook, combine the heavy cream and butter in a small saucepan over medium-low heat. Give them 3 to 5 minutes, until the butter melts and the cream is steaming. Keep an eye on the pan because the cream shouldn’t boil. Once it’s steaming and the butter has melted, it’s ready to mix in.

Let the drained potatoes dry in the pot

Drain the potatoes thoroughly, then return them to the pot. Set the pot over low heat for 1 to 2 minutes, shaking it occasionally. The surface should look dry rather than shiny with water. Don’t rush this cue; water left clinging to the potatoes can dilute the cream and butter.

Mash first, then add the warm dairy

Take the pot off the heat and mash the potatoes until smooth. Gradually mix in the warm cream and butter so the potatoes absorb it as you go. Stir in the remaining teaspoon of kosher salt and the black pepper. Stop once the mash is smooth; working it longer can make the texture sticky.

Two Practical Ways to Adapt the Potatoes for Your Table

Questions That Come Up When Making Thanksgiving Mashed Potatoes

The Best Creamy Mashed Potatoes for Thanksgiving

Creamy mashed potatoes are made with Yukon Golds simmered until tender, then mashed smooth with warm cream and butter. The result is rich, fluffy potatoes with a simple seasoning of kosher salt and black pepper.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 22 minutes mins

Total Time 37 minutes mins

Servings: 8 servings

Course: Side Dish

Cuisine: American

Calories: 363

Ingredients Method Notes

Ingredients

  

• 3 lb Yukon Gold potatoes peeled and cut into 1 1/2-inch chunks
• 8 cup cold water or enough to cover the potatoes by 1 inch
• 2 tsp kosher salt divided
• 1 cup heavy cream
• 8 tbsp unsalted butter cut into pieces
• 0.25 tsp black pepper

Method

 

1. Place the potatoes in a 6-quart pot and add the cold water and 1 teaspoon of the salt.
2. Bring the potatoes to a boil over high heat, then reduce the heat and simmer for 15 to 20 minutes, until a knife slides easily into the potatoes.
3. While the potatoes cook, combine the heavy cream and butter in a small saucepan over medium-low heat for 3 to 5 minutes, until the butter melts and the cream is steaming; do not let it boil.
4. Drain the potatoes thoroughly and return them to the pot.
5. Set the pot over low heat for 1 to 2 minutes, shaking it occasionally, until the potatoes look dry on the surface.
6. Remove the pot from the heat and mash the potatoes until smooth.
7. Gradually mix in the warm cream and butter.
8. Stir in the remaining 1 teaspoon salt and the black pepper.

Notes

For fluffy potatoes, dry them over low heat until the surface looks dry before mashing. Refrigerate leftovers for 3 to 4 days; they can be frozen. For a dairy-free variation, use plant-based cream and butter.