Make-Ahead Mashed Potatoes Recipe (2024)

By Genevieve Ko

Updated Nov. 13, 2023

Make-Ahead Mashed Potatoes Recipe (1)

Total Time
40 minutes, plus 30 minutes’ reheating, if desired
Rating
4(1,169)
Notes
Read community notes

It’s not just that mashed potatoes can be made ahead; they actually end up creamier and fluffier when prepared in advance. When mashed potatoes chill, their starches firm up, and when reheated gently, they relax into a mash with an even silkier texture. But you can’t save potatoes that start out gluey. Shearing cooked spuds with any blade — food processor, blender or hand mixer — releases enormous amounts of starch and turns the mash into spackle. Here, you break up the potatoes by hand or with a stand mixer’s paddle attachment for an airy smoothness. If you have a ricer or food mill, you can use that instead.

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Ingredients

Yield:8 to 12 servings (10 cups)

  • Salt and pepper
  • 5pounds russet potatoes
  • 10tablespoons butter, sliced and at room temperature, plus more for reheating
  • 1cup whole milk, warmed, plus more for reheating

Ingredient Substitution Guide

Nutritional analysis per serving (10 servings)

298 calories; 13 grams fat; 8 grams saturated fat; 0 grams trans fat; 4 grams monounsaturated fat; 1 gram polyunsaturated fat; 43 grams carbohydrates; 3 grams dietary fiber; 3 grams sugars; 6 grams protein; 619 milligrams sodium

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Make-Ahead Mashed Potatoes Recipe (2)

Preparation

  1. Step

    1

    Fill a large pot with 8 cups cold water and 1 tablespoon salt. Peel and quarter the potatoes, adding each to the cold water as you cut to prevent them from discoloring. The potatoes should be immersed. If they’re not, add enough water to cover them, along with a pinch of salt.

  2. Step

    2

    Bring to a boil over high heat and continue boiling until a knife slides through the potatoes very easily, 15 to 20 minutes.

  3. Drain well, then return the potatoes to the pot. Some should be falling apart. Heat over low, shaking the pot occasionally, until the potatoes are mottled and very dry, 2 to 3 minutes. Turn off the heat.

  4. Step

    4

    Mash in the pot, adding the butter a few pieces at a time, until smooth, then stir in the milk and season to taste with salt and pepper. Or transfer to a stand mixer and beat with the paddle on low, adding a few pieces of butter at a time, until smooth, then add the milk with the machine running. Season to taste with salt and pepper.

  5. Step

    5

    You can serve the potatoes right away or hold them for up to 3 hours: Transfer the hot potatoes to a large, wide metal bowl and evenly smooth the top. Set the bowl over a large saucepan of steaming water (or in a skillet of steaming water) over low heat. Add just enough milk to barely cover the potatoes and partly cover the bowl. Stir gently but well before serving so they’re evenly hot and creamy.

  6. Step

    6

    You also can transfer the potatoes to an airtight container and refrigerate for up to 3 days. To reheat, use the setup in Step 5, but add an ⅛-inch layer of milk over the cold, flat top of the potatoes and stir the potatoes every 10 minutes to help them reheat evenly. The whole batch should be steaming hot within 30 minutes. If the mash is still stiff when hot, stir in more milk (or butter, if you’d prefer). Season to taste with salt and pepper again before serving.

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1,169

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Private Notes

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Cooking Notes

Diana

I reheat my potatoes in a slow cooker. One less thing I have to fuss over at the last minute.

Gabby B.

We skip the milk and use sour cream instead. Full-fat sour cream, plenty of butter, and salt. I don’t want to hear anything about the amount of fat and salt! We’ll enjoy thanksgiving our way, and you do yours. See how easy that was?When our kids were younger, we made ‘party potatoes,’ by adding a few tablespoons of really tiny minced carrots and broccoli into the mashed potatoes, giving them a festive look. They were thrilled when I made them again during our first pandemic Thanksgiving. :-)

Dianne Jackson

I have found that along with butter and half and half, cream cheese is the secret to great mashed potatoes. And I never liked leftover mashed potatoes until I started adding the cream cheese. It definitely improves the next day flavor.

make ahead?

This title is a bit misleading. To make ahead, cook potatoes as directed, but put thru a ricer or food mill then refrigerate until ready to use. Then heat milk and melt butter, add in riced potatoes and heat through. That’s how we did it in a well respected restaurant. Works great and you can make single servings on up to a bunch.

Sharon Keller

A friend of mine, with a degree in home economics from the 1950s, and exceptional food preparer, made mashed potatoes as your recipe prescribes but with the addition of a block, 8oz, of cream cheese. This, she said, makes it possible to prepare the mashed potatoes a day ahead, put them in a 9X12 pan and reheat in the oven, without having that day old taste that happens without the cream cheese.

Fast Marty

Everybody's got their spin on the cue ball. Mine is the addition of Boursin cheese (herbed) for a little extra sumpin-sumpin. You're welcome.

vicki

My make-ahead recipe for mashed potatoes includes blending in both sour cream and room-softened cream cheese. Cool, cover tightly, and refrigerate up to 24 hours. Heat in 375 oven until lightly browned, about 30-40 minutes. Always a crowd-pleaser.

Faithy T

Instead of salting the water, use chicken “Better than Bouillon”.

Anana W

The recipe actually says to add the potatoes to cold water, then bring to a boil.

Cynthia

Bad idea to add quartered potatoes to boiling water one at a time as you peel them. They will not cook evenly. Especially with such large pieces, some might still be raw in the middle while others are too mushy. Modern potatoes no longer oxidize as quickly as they used to (genetic engineering?).But if you are worried, put the cut pieces in ice water until all are prepared. My own preference (my mom's way) is to cut them in smaller pieces, add them to cold water, then bring to a simmer.

Bigwave Dave

It isn't clear that he was killing them with herbicides! When I grow potatoes I kill them manually, by knocking down the main stalk.

Sue Dean

First, find some organic potatoes. in the accompanying interview with a third generation Idaho potato grower, he says that he kills the plants three weeks before digging the potatoes. He does not say what herbicide he uses, but I do not want to serve it to my guests what ever it is.

John Manor

I use a silicon canning rack ($5 at Wal****) in a deep sauté pan. That way, I can use a heat-proof glass serving dish and when it's ready, just dry it off and you're good to go.

Kathleen Stark

I find that the microwave reheats cold mashed potatoes retaining the original flavor and texture.

Carol Reid

I have eaten lots and lots of leftover mashed potatoes in my life, including cold for breakfast. They are good. But they are never as good as when they are first made regardless of what you add to them - there is just a different taste. So this confuses me. Although the comments about adding cream cheese are intriguing and I’ll have to try it. But not for Thanksgiving. Plus, making ten lbs of potatoes (our standard) in a ricer? Yikes!

Bryan Cooper

Wow! I thought quiche was supposed to be easy. Next time Costco quiche it is!

Nina

The best way to make mashed potatoes ahead of serving time is to put them in a greased baking dish, cover and refrigerate until the time comes and sprinkle top with grated parmesan cheese and bake at 400 or so for about 30 minutes until the top is golden and crusty. That’s the only way they were served in Central America, where I grew up. Best potato puré gratin you’ll ever have!

Plain Jane

My husband is a traditionalist, and these were his favorite mashed potatoes! I usually like bolder variations, but this was perfection. I did use buttermilk because I had it on hand. It made the timing of the meal easy-peasy!

John

Made ahead and stored in crock pot overnight in fridge. Added butter and milk the next day and turned the crock pot to low. Three hours. Ready to go. Perfect!

Dianne

Perfect just following recipe I’ll definitely make these every time Heating on stove over simmering water til dinner time also worked like a charm

lizzielizzie

Followed the directions exactly, turned out great. Reheated two days after making per the instructions and worked wonderfully. Will make this every year for Thanksgiving.

VjS

Try getting the mashed potatoes out of the simmering water without spilling them and/or burning yourself. I ended up putting them in a low oven because this method takes forever to get them warmed up. A really bad way to reheat mashed potatoes.

FH Cyclist

Easy to make. Used 2 lbs russet & 2 lbs gold (I think used ingredient list from different recipe). Great compliments. Reheated using slow cooker. Put EVOO on bottom & sides with a bit of butter, put mashed potatoes in with milk covering about 3/4 of top. Needed to cook on high to be ready on time.Wonderful way to have smooth mash potatoes with minimal work on Thanksgiving day.

Mary Beth

I made them for Thanksgiving exactly as described and they were perfect! I did add some chopped chives and my 5 year old granddaughter gave me a @thumbs up when she licked the spoon before it went into the dishwasher!

Marie

I’ve been using an old fashioned flat bottomed masher for 50 years, no matter how much potatoes I make, so much easier that taking out and then cleaning a mixer.

umberto

This works. It works well as written. Embellishment is strictly a matter of personal preference.

GiGi

Do not use a stand mixer. The tendency will be to over beat, which can lead to watery mashed potatoes. Use an old-fashioned, flat-based masher with square holes. Mash while hot, adding butter, and then milk until desired consistency. Finish by stirring with a fork to fluff.This takes a bit of muscle, but it’s great fun for kids.

Jane Wagner

What can I substitute in mashed potatos for milk for the lactaid intolerant? Lactaid free milk? Does it taste/cream the same? Thank you

ScratchCook

Try this as a test run before Thanksgiving. Cut back on the butter and add equal amount of Extra Virgin Olive Oil while mashing the potatoes. Taste so you know you will like it. I always mash with a mix of butter and EVOO.

Joan P

5 lbs potatos, 8 oz. softened cream cheese, 1 cup sour cream = heaven. Prepare the day before save for the last step, which is heating in a 350 degree oven for 30 minutes.

Gowan

Pans? A microwave is way the best best source to reconstitute mash! It's what happens in restaurant kitchens. Reheat your riced potatoes THEN get it in a pan to finish with the butter/ milk/seasoning/whatever else.

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Make-Ahead Mashed Potatoes Recipe (2024)

FAQs

Can I prep potatoes for mashing ahead of time? ›

If you're here, you'll probably be glad to know that yes, you can peel and cut potatoes the day before you plan to serve them — and that it's super easy! All you have to do is submerge the bare potato pieces in water and refrigerate (more on that later).

Should you soak potatoes in cold water before making mashed potatoes? ›

The secret ingredient is just ice-cold water.

You soak the potatoes in iced water before they are cooked. This eliminates much of the starches in the potatoes, resulting in a super light and fluffy mash. It's also like when you make rice.

How do you reheat mashed potatoes so they are creamy? ›

Move the potatoes to a baking dish: Heating the potatoes in an even layer allows them to warm up faster with less drying out. Add more cream and butter: More moisture and fat are the two secret ingredients to reheating any leftovers. For potatoes, reach for half-and-half or broth and butter.

How many pounds of potatoes to feed 20 adults? ›

Season with salt and pepper. Plan on 1/3 to 1/2 pound potatoes per person for your feast.

What is the best method to pre cook mash potatoes and reheat later? ›

Add a teaspoon of lemon juice or white vinegar to help keep the potatoes from oxidizing and let them cool then cover tightly and refrigerate. Reheat (microwave, crock pot, oven, stovetop) till slightly warm and then add in the liquids (milk, chicken broth, even a little water to rehydrate can work).

How do you prep potatoes in advance? ›

The whole process is simple: peel them, leave them whole or dice them if you want, fill a bowl with cold water, submerge the potatoes and store in the fridge overnight. While this trick can be quite handy, it will only work for about 24 hours, so we would recommend to not prep your potatoes too far in advance.

Should you rinse starch off potatoes for mashed potatoes? ›

For the fluffiest and lightest mashed potatoes, use Russets and rinse off excess potato starch before and after cooking. Kenji is the former culinary director for Serious Eats and a current culinary consultant for the site.

How long can potatoes sit in water before cooking for mashed potatoes? ›

How long can peeled and cut potatoes sit in water before cooking, before they begin taking on too much water? A: We usually recommend no more than 24 hours. You can keep the potatoes from absorbing the water by making sure the water is not salted, and is chilled (you can even add ice to the water).

Is it better to boil water first before adding potatoes? ›

For most potato dishes it's important to add the potatoes to cold water and allow the water to come to a boil with the potatoes in the water. The potato starch can react as soon as it comes in contact with hot water, which will promote uneven cooking and mealy potatoes.

How do chefs reheat mashed potatoes in the oven? ›

If you are reheating them in the oven, stir in the liquid and butter pieces, then spread the potatoes out in a baking dish. Cover with aluminum foil to keep the potatoes from drying out. Reheat at 350˚F for 20 to 30 minutes, or until the potatoes reach 165˚F.

How do you reheat mashed potatoes for a party? ›

When it's time to warm up the potatoes, place the bowl over a pot of simmering water. Add an extra splash of cream or milk and another pat of butter to ensure the mashed potatoes don't dry out. Stir them a few times until everything is warmed through (Do not over-stir, or the mashed potatoes will have a gummy texture).

Can I eat week old mashed potatoes? ›

Mashed potatoes should easily last three to five days in the fridge if stored correctly and within two hours of cooking. This means ensuring there isn't any moisture buildup under the lid that could encourage the growth of bacteria.

How many people does a 5 lb bag of potatoes feed? ›

How many pounds of potatoes per person for mashed potatoes? A 5-pound bag of potatoes makes 10 to 12 servings of mashed potatoes.

What kind of potatoes are best for mashed potatoes? ›

The best potatoes for mashed potatoes are a starchy varieties like russet, Idaho or Yukon gold. Starchy potatoes are best for mashed potatoes because they have a fluffy, almost airy texture that breaks down easily.

How many potatoes to peel per person for mashed potatoes? ›

Serving Size: As a side dish, you should plan on ½ pound of potatoes per person. That means if you are planning on 10 people, use 5 pounds of potatoes. 4 people, use 2 pounds of potatoes. To freeze leftover mashed potatoes, allow them to cool then place them in a freezer-safe bag.

Can I peel my potatoes for mashed potatoes the day before? ›

How to Peel and Slice Potatoes Ahead of Time to Reduce Holiday Stress. With some smart strategies and advance planning, you can clean, peel and chop potatoes the night before or morning of your dinner party, so your spuds will be ready to go when you need them for mashing, baking, Hanukkah latkes and more.

Can I peel and cut potatoes in advance for mashed potatoes? ›

No matter which way you slice (er, peel?) it. The short answer is yes. You can absolutely peel potatoes ahead of time.

How far in advance can I peel potatoes for mashed potatoes? ›

You should store peeled and cut potatoes in water for 24 hours to ensure the quality of your final product. "If you drain the potatoes and notice they are turning brown, that they've started getting soft, or if they are slimy you should discard them," says Brigman.

How long can potatoes sit before mashing? ›

Potatoes can be peeled prepped and cut into water up to 2 days before boiling for mash.

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