Old Mom’s Mashed Potatoes Recipe, Creamy and Easy

Updated November 3, 2026

Total time
42 min
prep 15 min · cook 27 min
Serves
6
portions as written
Safe temperature (USDA)
165°F / 74°C
check the thickest piece

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Old Mom's Mashed Potatoes Recipe, Creamy and Easy

Old mom’s mashed potatoes are a home-style side made with tender potatoes, butter, warm milk, and a little sour cream for extra richness. This version is smooth but not gluey, easy to season to taste, and flexible enough for the family variations that make mashed potatoes feel like home.

Ingredients

  • 3 lb (1.36 kg) Yukon Gold or russet potatoes, or a mix
  • 3 qt (2.8 L) cold water, or enough to cover the potatoes by about 1 inch (2.5 cm)
  • 1½ tsp (7.5 g) fine salt, for the cooking water
  • 6 tbsp (85 g) unsalted butter, cut into pieces
  • ¾ cup (180 ml) whole milk
  • ½ cup (120 g) sour cream, at room temperature
  • ½ tsp (2.5 g) fine salt, plus more to taste
  • ¼ tsp (0.5 g) ground black pepper, plus more to taste
  • 1 tbsp (3 g) chopped fresh chives, optional, for serving

Instructions

  1. Prepare the potatoes. Scrub the potatoes under cool running water. Peel them for a classic smooth mash, or leave some or all of the skins on for a more rustic texture. Cut them into evenly sized chunks about 1½ inches (4 cm) wide; pieces of similar size cook at the same rate. This preparation takes about 15 minutes, depending on whether you peel them.

  2. Cover with cold water. Put the potato chunks in a large pot and add the cold water and 1½ teaspoons of salt. The water should cover the potatoes by about an inch. Starting them in cold, salted water helps the centers cook as the water heats, rather than leaving the outsides overcooked before the middle softens. Avoid adding potatoes to already boiling water.

  3. Bring the pot to a boil. Set the pot over high heat and bring the water to a steady boil, which usually takes about 9 minutes. Once it boils, lower the heat to maintain a gentle simmer. A hard, rolling boil can knock the pieces against one another and break them up before the centers are tender.

  4. Simmer until tender. Cook for about 16 minutes, then test a large piece with a fork or the tip of a small knife. It should slide through easily, and the potato should be soft all the way to its center. If it still feels firm, simmer for another 2 to 3 minutes and test again. Drain as soon as the pieces are tender; waterlogged potatoes are harder to make fluffy.

  5. Warm the dairy while the potatoes cook. During the simmer, warm the milk and butter together in a small saucepan over low heat, just until the butter melts and the mixture is comfortably warm. Do not let it boil. Warming the dairy helps it blend smoothly into the potatoes and keeps the finished mash hot. If using a microwave, heat it in short bursts and stir between them.

  6. Drain and let the potatoes dry briefly. Pour the potatoes into a colander, then return them to the hot, empty pot. Set the pot over low heat for about 2 minutes, shaking it gently once or twice. This lets excess moisture evaporate from the surface. Keep an eye on the bottom so the potatoes do not scorch; take the pot off the heat if you hear sizzling.

  7. Mash and season. Mash the potatoes with a hand masher or potato ricer. Add the warm butter-and-milk mixture gradually, folding or mashing just until the potatoes reach the texture you like. Stir in the sour cream, ½ teaspoon salt, and pepper. Taste and add more salt or pepper a pinch at a time. Stop once the potatoes are creamy: vigorous or prolonged mixing can release too much starch and make them pasty. Serve hot, with chives if you like.

Tips

  • Choose the potato for the texture you want. Yukon Golds have a naturally buttery flavor and make a creamy, slightly dense mash. Russets are starchier and tend to give a fluffier result. A half-and-half mix is a useful middle ground. Whatever you choose, cut the potatoes evenly and cook them until fully tender before mashing.

  • Use warm dairy and add it gradually. Potatoes absorb warm milk and butter more readily than cold ingredients, so they stay hot and blend without extra mixing. Start with most of the measured mixture, then add more only if the mash seems too thick. The precise amount you need can vary with potato type and how much moisture remains after draining.

  • Adjust the richness without losing the balance. For a lighter version, replace half the sour cream with plain yogurt or use 2% milk instead of whole milk; the result will be a little less rich and tangy. For a dairy-free batch, use unsweetened, unflavored plant milk and a plant-based butter substitute. Check that the milk alternative is not vanilla-flavored or sweetened.

  • Keep the mash gentle. A hand masher gives a soft, slightly textured finish, while a ricer makes an especially even mash. Avoid a blender or food processor, which can overwork the potatoes quickly and turn them sticky. If the potatoes cool before serving, cover the pot and keep it over very low heat for a short time, stirring gently and adding a splash of warm milk if needed.

Serving Suggestions

Serve these potatoes hot as a generous side for roast chicken, meatloaf, pork chops, sausages, or a holiday roast. Their mild buttery flavor also works with braised vegetables, lentil loaf, or a hearty mushroom dish. Spoon them beside the main course or make a shallow well in each serving for gravy, pan juices, or a pat of butter. If gravy is on the table, keep the potatoes lightly seasoned at first and let everyone add more salt and pepper to taste.

For a simple supper, pair a bowl of mashed potatoes with steamed green beans or peas and a crisp salad. Chives add a fresh onion note, while chopped parsley gives a milder finish. If you are serving several sides, keep the potatoes in a warm covered serving bowl and garnish just before bringing them to the table. They are most appealing while hot and fluffy, so avoid leaving them uncovered while the rest of the meal is being plated.

Variations

Garlic mashed potatoes: Add 2 peeled garlic cloves to the cooking water with the potatoes. Drain and mash them together for a mellow garlic flavor. For a more pronounced flavor, stir in 1 small roasted garlic clove after mashing and taste before adding more; roasted garlic is sweeter and less sharp than raw garlic.

Extra-buttery potatoes: Increase the butter to 8 tablespoons (113 g) and reduce the milk to ½ cup (120 ml), adding it gradually until the texture is right. This makes a richer, denser mash. You can also finish the bowl with a small pat of butter, but taste before adding extra salt because salted butter changes the seasoning.

Cheddar and chive: Fold in ½ cup (about 55 g) finely grated sharp cheddar and 1 tablespoon (3 g) chopped chives while the potatoes are still hot. Stir only until the cheese melts. The cheddar brings salt and a more pronounced flavor, so season the finished potatoes after tasting rather than adding the full amount of salt automatically.

Rustic skin-on mash: Use thin-skinned Yukon Golds, scrub them well, and skip peeling. Mash with a hand masher, leaving some small pieces of potato and skin for texture. This version looks less smooth and may need an extra splash of warm milk, but it keeps the preparation simple and has a heartier finish.

Storage and Reheating

Refrigerate leftover mashed potatoes within 2 hours of cooking. Transfer them to a shallow airtight container so they cool promptly, and keep them refrigerated for 3 to 4 days. The potatoes will firm up as they chill; that is normal. Do not leave them at room temperature overnight, and discard leftovers that have been left out for more than 2 hours.

To reheat on the stovetop, put the potatoes in a saucepan with a splash of milk, cover, and warm over low heat, stirring gently every few minutes until hot throughout. Add more milk in small amounts if the texture is too stiff. In the microwave, place a portion in a microwave-safe dish, cover loosely, and heat in short intervals, stirring between each one to distribute the heat evenly. The USDA FSIS safe minimum for reheated leftovers is 165°F (74°C); check the center with a food thermometer before serving.

You can freeze mashed potatoes in a sealed freezer-safe container for up to 1 month for best texture. Thaw them in the refrigerator, then reheat gently with a little milk and stir to bring the mixture back together. Freezing may make the texture slightly grainier or separate some of the dairy, but careful reheating and stirring usually help. If making ahead for a meal, it is often easier to refrigerate the potatoes and reheat them the next day rather than hold them warm for hours.

Frequently Asked Questions

Which potatoes are best for mashed potatoes? Yukon Gold potatoes make creamy mash with a naturally buttery taste, while russets tend to be fluffier because they contain more starch. Either works well in this recipe. A mix gives you a balance of creaminess and lightness. Use potatoes that are firm and free of soft spots, and cut them into evenly sized pieces so they finish cooking together.

Can I make these mashed potatoes ahead of time? Yes. Make the recipe, cool the potatoes, and refrigerate them in a covered container within 2 hours. Reheat the next day on the stovetop or in the microwave, stirring gently and adding warm milk a little at a time to restore the consistency. Heat leftovers to 165°F (74°C), checking the center with a food thermometer.

Why did my mashed potatoes turn gluey? The most common cause is overworking them, especially with a blender or food processor, which breaks down the potatoes and releases starch. Use a hand masher or ricer, add warm dairy gradually, and stop as soon as the mash is smooth enough for you. Potatoes can also turn watery if they are boiled too long or not allowed to steam dry after draining.

Can I make this recipe without sour cream? Yes. Replace the ½ cup (120 g) sour cream with an equal amount of warm milk, or use plain yogurt for a similar gentle tang. If you leave it out without replacing it, the potatoes will be a little less rich and may be firmer. Add milk gradually rather than pouring in the entire amount at once, since the right texture depends on the potatoes.

How do I keep mashed potatoes warm before serving? For a short wait, cover the pot and keep it over the lowest heat, stirring gently now and then. Add a little warm milk if the surface begins to thicken. For a longer delay, refrigerate the potatoes and reheat them safely before serving instead of leaving them at room temperature or holding them lukewarm for an extended period.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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