The 1-Ingredient Upgrade for the Fluffiest Mashed Potatoes (It Costs Zero Dollars) (2024)

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Getting fluffy, smooth mashed potatoes is easier than you think.

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Molly Adams

The 1-Ingredient Upgrade for the Fluffiest Mashed Potatoes (It Costs Zero Dollars) (1)

Molly Adams

A self-proclaimed food-pusher, Molly Adams has been cooking for the loved ones for as long as she can remember. She is a classically-trained chef with a background in catering, private cheffing and food media. Her experience includes recipe development, recipe testing and food writing.

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Updated November 17, 2023

The 1-Ingredient Upgrade for the Fluffiest Mashed Potatoes (It Costs Zero Dollars) (2)

My ideal mashed potatoes are perfectly seasoned, light, super fluffy, and free of lumps. I take making them pretty seriously because they're one of my favorite foods ever. A ricer must be used, butter should be added with abandon, and if the dairy is anything lighter than heavy cream, I don’t want the mashed potatoes.

I used to attribute the success of making mashed potatoes to the type of potato used, how long they were cooked, and how they were mashed. While all of these things are important, a few years ago I learned a ground-breaking trick from cookbook author J. Kenji López-Alt that trumps all other factors. What if I told you the key to the fluffiest mashed potatoes is one ingredient that also happened to be free?

The 1-Ingredient Upgrade for the Fluffiest Mashed Potatoes (It Costs Zero Dollars) (3)

It’s nothing fancy like cultured butter or crème fraîche—although neither could hurt the cause! The secret ingredient is just ice-cold water.

The 1-Ingredient Upgrade for the Fluffiest Mashed Potatoes (It Costs Zero Dollars) (4)

If you’ve ever made French fries from scratch, you may be familiar with soaking the cut potatoes in cold water to pull out excess starch. This gives you French fries that are crisp and golden, while the insides are light and fluffy.

The same trick applies to mashed potatoes—it's so obvious I wish I would have thought of it myself! 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. The key to fluffy rice is to rinse off as much starch as possible. That way the grains don't bloat and aren't drawn together by the excess starch into clumpy, mushy lumps. Also, just like when you rinse rice, you can see the starch leaching out of the potatoes as they soak—you'll see the water turn white.

Here's what I do to rinse the starch off the potatoes:

Fill a large bowl with cold water and a handful of ice. Add the peeled potatoes to the water and let them sit for at least 30 minutes, though one hour is ideal. Then carefully remove the potatoes with your hands or a spider strainer so that the starches pooled in the bottom of the bowl aren't disturbed.

Boil the potatoes until they are tender, proceed with your favorite mashed potato recipe, and you'll notice that they are way fluffier than when you made them without soaking.

I take this one step further: After draining the cooked potatoes into a colander, I rinse them under cold running water to knock off the starches on the surface. Since this will cool the potatoes and add some moisture, I return them to the pot and steam them for a minute or two over low heat. This brings the temperature back up and cooks off any added water.

The 1-Ingredient Upgrade for the Fluffiest Mashed Potatoes (It Costs Zero Dollars) (5)

Mashed Potatoes Rules I Live By

  • Start the potatoes in cold water. Lumpy mashed potatoes are usually a direct result of potatoes that were not cooked evenly. When you start potatoes in warm water, the outsides cook faster than the insides, leading to dreaded lumps. Start them in cold water. The potatoes should be covered with water by at least an inch.
  • Use a ricer! Be very wary of any potato recipe that has you use a blender or food processor. The fastest way to make potatoes gummy is to process them with lots of power. I’m not big on single-use kitchen tools, but a ricer is the only tool that will give you fluffy, smooth mashed potatoes.
  • Don’t shy away from salt. Like pasta, it’s hard to season potatoes after they have been cooked. You want the cooking water to taste like the sea; this will ensure your spuds have some serious flavor. Adding salt after they are cooked will just make the mashed potatoes taste salty, not well-seasoned.
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The 1-Ingredient Upgrade for the Fluffiest Mashed Potatoes (It Costs Zero Dollars) (2024)

FAQs

What is the 1 ingredient upgrade for the fluffiest mashed potatoes it costs zero dollars? ›

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 upgrade mashed potatoes? ›

Infusing milk or cream with herbs and garlic is a simple but effective way to make a potent flavor difference in mashed potatoes. Combine your preferred dairy with butter in a small saucepan. Add five or six cloves of garlic, cut in half, along with a dozen sprigs of fresh thyme or rosemary.

What is the best type of potato used in the production of mashed potato? ›

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.

What is the fluffiest potato? ›

Next time you're making roasties for the family try Fluffy potatoes such as King Edward or Maris Piper. Floury potatoes have a fluffy middle when cooked. These potatoes are also known as floury or dry. They are not only great for family favourites such as ruffled up roasties but also tasty jackets or chunky chips.

How do you make mashed potatoes fluffy and not gluey? ›

Using a potato ricer or food mill breaks down cooked potatoes without overworking them, and from there you can gently fold in butter and milk for light and airy mashed potatoes, or you can control the level of starch manipulation to produce creamy pommes purée.

What makes mashed potatoes thicker? ›

You can use what you have on hand: Flour, cornstarch, or powdered milk are all solid options that are probably already in your pantry. Potato flour and potato starch would work as well. Stir in the thickening agent gradually, about a tablespoon at a time, until the potatoes have reached your desired consistency.

What tool is the best for mixing ingredients as well in preparing mashed potatoes? ›

Food mills and ricers both yield excellent, smooth mashed potatos. Ricers are better for smaller quantities (only 2–4 potatoes) while a food mill can process any quantity in much less time, though they are a bit more work to clean. I'd also argue that food mills are overall a more versatile tool.

What is the top producing state of mashed potatoes? ›

A: Idaho is the top producing state for potatoes in any form, and took the honors from Maine in 1957. We've never been surpassed, although the state of Washington has made great strides in the increased volume for frozen French fries.

What are the 3 types of potatoes? ›

Potatoes are split into 3 different classifications: starchy, waxy, and all-purpose. These classifications are given based on their texture, starch content, and moisture. Every potato type falls somewhere along this spectrum.

What type of potatoes is best from mashed potatoes and why best for baked potatoes and why? ›

Russet Potatoes

“Their flesh soaks up liquids and falls apart into a fluffy, mealy texture,” writes Joshua McFadden in Six Seasons. “This is exactly what you want for baked potatoes, mashed potatoes, potato soup, and French fries.

How do you make mashed potatoes fluffy without gummy? ›

Ricer or Colander

Start as you would any mashed potato recipe—by boiling the potatoes until tender—then allow them to cool before adding them to a ricer. "If you rice them right away, you're not allowing excess moisture to evaporate off the potatoes," Greg says. Skipping this step can lead to dense, gluey potatoes.

What makes mashed potatoes sticky instead of fluffy? ›

When too much starch gets released, the potatoes become gummy, gluey, and unappetizing. Overworking the potatoes can happen in a couple ways: either by simply handling them too much, or by using a food processor, blender, or similar tool, which mixes the potatoes too aggressively.

What is a good thickener for mashed potatoes? ›

You can use what you have on hand: Flour, cornstarch, or powdered milk are all solid options that are probably already in your pantry. Potato flour and potato starch would work as well. Stir in the thickening agent gradually, about a tablespoon at a time, until the potatoes have reached your desired consistency.

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