Updated Oct 8, 2026· 6 min read

Key takeaways

  • 2 pounds (900 g) Yukon Gold potatoes, scrubbed and peeled, or left unpeeled for a rustic mash
  • 6 tablespoons (85 g) unsalted butter, cut into pieces
  • ½ cup (120 ml) whole milk, warmed; hold back a little at first
  • 1¼ teaspoons fine salt for the cooking water, plus more to taste
  • ¼ teaspoon black pepper, or to taste

Reliable Mashed Potato Recipe

For creamy mashed potatoes that hold their texture, use 2 pounds (900 g) of Yukon Gold potatoes, 6 tablespoons (85 g) of unsalted butter, and ½ cup (120 ml) of warm whole milk. Simmer the potatoes until completely tender, drain and steam-dry them, then mash while hot; use a ricer for a smooth result or a hand masher for a slightly rustic one.

This method serves 4 to 6 and gives you control over richness and texture without making the potatoes gluey. Yukon Golds are a dependable middle ground: naturally buttery and creamy, but sturdy enough to mash well.

Ingredients and potato choices

  • 2 pounds (900 g) Yukon Gold potatoes, scrubbed and peeled, or left unpeeled for a rustic mash
  • 6 tablespoons (85 g) unsalted butter, cut into pieces
  • ½ cup (120 ml) whole milk, warmed; hold back a little at first
  • 1¼ teaspoons fine salt for the cooking water, plus more to taste
  • ¼ teaspoon black pepper, or to taste

Potato variety affects how much liquid the mash needs. Russets are starchier and make a light, fluffy mash, but can turn pasty if overworked. Yukon Golds have a naturally creamy, slightly dense texture. Red potatoes are waxier and hold their shape; choose them when you want a chunkier mash rather than a smooth one.

Potato type Typical texture Best use Milk to start per 2 lb (900 g)
Russet Light and fluffy Smooth, airy mash ½ cup (120 ml)
Yukon Gold Creamy and moderately dense Everyday all-purpose mash ½ cup (120 ml)
Red potato Firm and waxy Rustic, chunky mash ⅓–½ cup (80–120 ml)

These liquid amounts are starting points, not targets to pour in automatically. Potato size, age, and variety all affect absorption, so reserve some milk and add it only until the mash reaches your preferred consistency.

Step-by-step method

  1. Cut the potatoes evenly

    Peel the potatoes if you want a smooth mash, then cut them into roughly 1½-inch (4 cm) pieces. Similar-sized pieces cook at about the same rate, reducing the chance that small pieces become waterlogged while larger ones stay firm.

  2. Start in cold, salted water

    Put the potatoes in a saucepan and cover with cold water by about 1 inch (2.5 cm). Add 1¼ teaspoons of salt, bring to a boil, then reduce the heat to a steady simmer. Starting cold helps the centers cook before the outside falls apart.

  3. Simmer until a knife slides through easily

    Cook for about 15–20 minutes after the water reaches a simmer, checking sooner if the pieces are small. They are ready when a paring knife passes through the center without resistance. Undercooked centers leave hard bits in the finished mash.

  4. Drain and steam-dry

    Drain thoroughly, then return the potatoes to the warm, empty pan for 1–2 minutes over low heat, shaking it gently once or twice. This lets surface moisture evaporate so the potatoes absorb butter and milk instead of becoming watery.

  5. Mash while hot and add butter first

    For a smooth texture, press the potatoes through a ricer or food mill into the pan. For a more rustic texture, use a hand masher. Add 6 tablespoons (85 g) of butter and fold or mash until melted and incorporated.

  6. Add warm milk gradually

    Warm the milk separately; cold milk can cool the potatoes and make the texture less even. Pour in about ⅓ cup (80 ml) first, fold gently, then add more in small splashes until the mash is as soft as you like. Season with pepper and taste for salt.

Butter ratios and texture controls

For 2 pounds (900 g) of potatoes, 4 tablespoons (57 g) butter makes a lighter mash, 6 tablespoons (85 g) gives a balanced, rich result, and 8 tablespoons (113 g) makes a notably buttery mash. Add butter before the milk: the fat coats the hot potato and helps create a smooth, cohesive texture. These amounts assume unsalted butter; if using salted butter, reduce the salt in the cooking water and taste before adding more.

  • For fluffy potatoes: use russets, drain very well, and use a ricer. Fold in liquid gently.
  • For creamy potatoes: use Yukon Golds and the 6-tablespoon butter ratio. Add warm milk a little at a time.
  • For chunky potatoes: use red potatoes, leave some peel on, and stop mashing while small pieces remain.
  • To fix a mash that is too stiff: fold in warm milk, 1 tablespoon at a time.
  • To fix a mash that is too loose: keep it over low heat and stir gently for a minute or two to evaporate moisture. Avoid vigorous mixing.

Do not use a blender or food processor. Fast blades break down potato starch and can produce a sticky, stretchy mash. A masher, ricer, or food mill gives you more control.

Make-ahead, storage, and reheating

For the best texture, serve mashed potatoes soon after making them. To prepare them ahead, transfer the finished mash to a covered, heat-safe dish, cool it promptly, and refrigerate within 2 hours. Keep refrigerated for up to 3 days; do not leave the potatoes at room temperature for extended periods.

Reheat gently on the stovetop over low heat, stirring occasionally and adding a splash of milk or a small knob of butter as the potatoes warm. For a larger batch, reheat in a covered oven-safe dish at 325°F (165°C), stirring once or twice, until steaming hot throughout. A microwave also works: heat in short intervals, stir between each, and add milk if the mash looks dry. The exact time depends on portion size and the appliance, so check that the center is hot before serving.

You can also prepare the potatoes through the draining and steam-drying step, then mash and season closer to serving. For a longer hold, keep the finished mash covered over very low heat or in a warm water bath, stirring occasionally and adding a little warm milk if it thickens.

Common mistakes to avoid

  • Adding potatoes to already boiling water: the outside can overcook before the center softens. Start with cold water instead.
  • Skipping the drying step: excess water dilutes flavor and makes it harder to control the final consistency.
  • Adding all the milk at once: potatoes absorb liquid differently. Hold some back until you see the texture.
  • Overmixing: repeated, forceful stirring can make the mash gluey, especially with russets. Mash just until smooth enough.
  • Seasoning only at the end: salted cooking water seasons the potatoes as they cook. Still taste the finished mash and adjust.

Frequently Asked Questions

Should I peel potatoes before boiling them?

Peel them first for a smooth, consistent mash. For a rustic version, leave the skins on, especially with thin-skinned red potatoes or Yukon Golds, and scrub them well before cutting.

Can I use cream instead of milk?

Yes. Replace some or all of the milk with warm cream for a richer mash, but add it gradually because cream adds more fat and heaviness. Warmed half-and-half is another middle-ground option.

Why are my mashed potatoes gluey?

They were likely overmixed or processed with a blender or food processor, which can release too much starch. Use a hand masher, ricer, or food mill, and stop as soon as the potatoes reach your preferred texture.

Can I make mashed potatoes the day before?

Yes. Refrigerate them promptly in a covered container and reheat gently the next day with a little warm milk or butter. Stir just enough to bring them back to a smooth consistency.

How do I keep mashed potatoes warm for serving?

Keep them covered over very low heat or over a warm water bath, stirring occasionally. If they thicken while waiting, fold in a small amount of warm milk; avoid high heat, which can scorch the bottom.

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