Brown Butter Mashed Potatoes
The butter goes from quiet and foamy to fragrant in what feels like a blink. I keep swirling the saucepan so the milk solids turn golden evenly, then pull it…
Tip: save now, cook later.The butter goes from quiet and foamy to fragrant in what feels like a blink. I keep swirling the saucepan so the milk solids turn golden evenly, then pull it off the heat as soon as the nutty smell and brown flecks appear. That toasted butter is what makes these brown butter mashed potatoes taste fuller than the usual bowl of mash.
Yukon Golds give the potatoes a naturally creamy texture, and a small amount of attention after draining keeps them from turning watery. I warm the milk before it goes in, too, so it blends smoothly instead of cooling the potatoes. The finished mash is soft and creamy, with little browned flecks tucked through every serving.
Kitchen Note
I take the butter off the heat when it smells nutty and the flecks are golden-brown, not dark. Those browned bits are part of the finished mash, so pour them in along with the butter.
Save these brown butter mashed potatoes for a meal that calls for creamy mash with a nutty, toasted finish.
Why the Potatoes Need One Quiet Minute After Draining
Potatoes hold onto water on their surfaces after cooking. If that water stays in the pot, it thins the milk and butter you’re about to add, and the mash can feel loose instead of creamy. Returning the drained potatoes to the pot over low heat gives that surface moisture a chance to evaporate before the dairy goes in.
This short pause isn’t about cooking the potatoes further or browning them. Stir gently, and stop after a minute; vigorous stirring can break the chunks apart before you mash. Yukon Golds are creamy enough to begin with, so there’s no need to chase a dry, crumbly texture. The goal is simply to start with potatoes that aren’t carrying extra water into the mash.
That small bit of moisture control also lets the brown butter come through clearly. When the potatoes aren’t diluted, the toasted flavor stays present without needing extra butter or seasoning.
What Yukon Golds, Whole Milk, and Butter Each Bring to the Mash
- Yukon Gold potatoes — Their naturally buttery taste and creamy, moderately dense texture make them a good match for a rich mash. Choose firm potatoes without soft spots; peeling and cutting them into evenly sized chunks helps them become tender at about the same time. Russets work if you prefer a fluffier result, but they don’t have the same creamy texture.
- Unsalted butter — Browning the butter toasts its milk solids, creating the nutty aroma and golden flecks that define this dish. Unsalted butter also leaves you in control of the seasoning. A standard grocery-store butter works well; there’s no need to seek out a specialty brand.
- Whole milk — Whole milk adds enough richness to make the mash creamy without competing with the browned butter. Warming it first helps it blend into the hot potatoes. For a lighter texture, 2% milk can work, though the finished mash won’t be quite as rich.
- Black pepper — A small amount adds a gentle savory bite alongside the toasted butter. Freshly ground pepper has a brighter aroma, while pre-ground pepper is fine when you want a softer pepper note.
How to Cook the Potatoes and Fold in the Browned Butter
Simmer the chunks until a fork slips in easily
Put the peeled, 1 1/2-inch potato chunks in a 6-quart pot with the water and 2 teaspoons of the kosher salt. Add more water if needed so the potatoes are covered by 1 inch. Bring the pot to a boil over high heat, then lower the heat and simmer for 15 to 20 minutes. They’re ready when a fork slides into a chunk without resistance; if the centers are still firm, keep simmering and check again.
Brown the butter without rushing the color
While the potatoes cook, melt the butter in a 2-quart saucepan over medium heat. Swirl the pan as it cooks for 5 to 7 minutes, watching for golden-brown flecks and a nutty smell. The butter can move from browned to burnt quickly, so stay close near the end. Remove it from the heat once those visual and aromatic cues appear.
Warm the milk while the potatoes finish
Pour the milk into a microwave-safe measuring cup and heat it on HIGH for 45 to 60 seconds. It should feel warm, not boiling. A quick stir helps you check the temperature evenly. Keep it nearby so it’s ready to add once the potatoes are drained.
Mash off the heat until creamy
Drain the potatoes, return them to the pot over low heat, and stir gently for 1 minute. Remove the pot from the heat, then add the warm milk, brown butter and browned bits, remaining 1 teaspoon of salt, and pepper. Mash until creamy, stopping once the chunks are gone and the texture looks smooth. Serve the potatoes hot.
Two Smart Ways to Change These Brown Butter Mashed Potatoes
Make a dairy-free version with olive oil and oat milk
Replace the butter with 8 tablespoons olive oil and the whole milk with 3/4 cup unsweetened, unflavored oat milk, warmed before adding. Stir them into the potatoes with the salt and pepper. The mash will be dairy-free and creamy, but it won’t have the toasted, browned-butter flavor.
Swap in russet potatoes for a fluffier mash
Use 3 pounds of peeled russet potatoes in place of the Yukon Golds, cut into the same 1 1/2-inch chunks. Cook until fork-tender, since timing can vary with the potatoes, then follow the same method. Russets make a lighter, fluffier mash, though it won’t have the same buttery texture as the Yukon Gold version.
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 be a little less smooth after freezing.
- Reheating: Warm gently in a covered saucepan over low heat, stirring often, with a small splash of milk if the potatoes seem stiff. Heat leftovers to 165°F, and avoid high heat, which can scorch the bottom before the center warms through.
Questions That Come Up While Making Brown Butter Mashed Potatoes
Brown Butter Mashed Potatoes
Ingredients
Equipment
Method
- Put the potatoes in a 6-quart pot and add the water and 2 teaspoons of the salt, adding more water if needed to cover the potatoes by 1 inch. Bring to a boil over high heat, then reduce the heat and simmer for 15 to 20 minutes, until the potatoes are fork-tender.
- While the potatoes cook, melt the butter in a 2-quart saucepan over medium heat. Cook for 5 to 7 minutes, swirling the pan, until the butter smells nutty and has golden-brown flecks; remove from the heat.
- Warm the milk in a microwave-safe measuring cup on HIGH for 45 to 60 seconds, until warm but not boiling.
- Drain the potatoes and return them to the pot over low heat for 1 minute, stirring gently to evaporate excess moisture.
- Remove the pot from the heat and add the warm milk, brown butter and browned bits, remaining 1 teaspoon salt, and pepper. Mash until creamy, then serve hot.
