Diane Morgan's Classic Mashed Potatoes Recipe on Food52 (2024)

5 Ingredients or Fewer

by: Genius Recipes

May11,2016

4.6

10 Ratings

  • Serves 8

Jump to Recipe

Author Notes

As the result of a conversation with food scientist Shirley Corriher, cookbook author Diane Morgan happened upon a clever, very easy way to make mashed potatoes taste more buttery (without adding any more butter). As she told me, "When making mashed potatoes, it is typical to see a recipe suggesting that the milk and butter be heated together, simmering the milk and at the same time melting the butter. That mixture gets added to the just-mashed, cooked potatoes. Easy enough, right? However, using the same quantity of milk and butter, but heating them separately and adding the melted butter first to the mashed potatoes, you end up with a butterier tasting potato dish. The fat absorbs into the cells of the potato, which have swelled and pulled apart from one another. Then, the milk loosens and flavors the potatoes." Adapted slightly from Diane Morgan. —Genius Recipes

  • Test Kitchen-Approved

What You'll Need

Ingredients
  • 4 large russet potatoes (about 2 pounds total)
  • 1 teaspoonfine sea salt
  • 3/4 cupmilk
  • 6 tablespoonsunsalted butter
  • Freshly ground pepper
Directions
  1. Peel the potatoes and rinse them under cold water. Cut each into quarters and place in a 3- to 4-quart sauce pan. Cover with cold water, partially cover the pot, and bring the water to a boil. Uncover, add 1 teaspoon of salt, and reduce the heat so that the water boils gently. Cook until the potatoes are tender when pierced with a fork, about 10 to 12 minutes. Meanwhile, in a small saucepan, heat the milk to just below a simmer. In a separate pan, melt the butter. (Alternatively, use a microwave to warm the milk and melt the butter in separate containers.)
  2. Drain the potatoes and return them to the warm pan over low heat for 1 minute to evaporate any excess water. Use a potato masher, ricer, or food mill to mash the potatoes. Stir the butter into the potatoes. Then add the milk, a little at a time, until the potatoes are as soft and moist as you like. Add salt and pepper to taste. Serve immediately, or keep warm in the top of a double boiler for up to an hour, or cover and rewarm in a microwave oven.

Tags:

  • American
  • Milk/Cream
  • Potato
  • 5 Ingredients or Fewer
  • Make Ahead
  • Serves a Crowd
  • Spring
  • Fall
  • Winter
  • Christmas
  • Father's Day
  • Valentine's Day

See what other Food52ers are saying.

  • chefrockyrd

  • Taylor Stanton

  • Ron McCormack

  • Susie Williams

  • Lori McCarthy

Recipe by: Genius Recipes

Popular on Food52

29 Reviews

brushjl May 8, 2023

Delicious! Not sure how the bitter first, then milk worked, but it definitely was buttery. Great use for a potato ricer.

chefrockyrd October 13, 2022

If you have time watch Helen Rennie, a cooking teacher on YouTube. Her make ahead mashed potatoes with onions are a fabulous dish. I have made them many times and my guests always ask how they are made. There are never any leftovers.

Linda D. November 22, 2021

Delicious! Thank you!

Taylor S. November 15, 2021

These are amazing! Extremely simple and a good salted, sweet cream butter makes all the difference.

Joy November 19, 2020

What if you cooked the potatoes in the instapot? Would you drain them semi recook out any juice then do melted butter and heat milk?

knoh January 2, 2020

The consistency (I used a masher) and flavor were just perfect using the method in this recipe!

bettye198 October 9, 2019

Just to knock your socks off, I will share my Italian families Potato Puff. This is after you make the mashed potatoes. To that, add parm or romano cheese ( handfuls), an egg or two, parsely, garlic powder, salt and pepper. Pour in buttered casserole and top with either cornflake crumbs, plops of butter or a breadcrumb panko you prefer. Bake for 30-45 min at 350 deg. Wow. People will never forget that dish. Excellent at holidays.

Robert H. March 10, 2019

Easy as can be, and the change to add the butter first and then the milk made all the difference in the world! I'm guessing that from this base you can add any ingredient that you like with mashed potatoes (bacon, garlic, rosemary whatever) and you can't miss.

Mitwocents November 21, 2018

I’ve been known to put a tad of buttermilk in, just to add a bit of tang. Full fat works best of course. I mix it in with the cream and butter before adding.

jodyrah November 2, 2018

I use 2# yukon golds or a combo of yukons and Idahoes. Return to low heat after draining to dry a bit. Add approx. 2/3 stick of unsalted, melted butter. Add 2 heads ( yes, heads) of roasted garlic that has been pureed (immersion blender) in 1/2-2/3 C warmed heavy cream. It will form a thick paste. Be sure to blend in a tall container, working the blender up and down. Add additional warmed cream to the potatoes if needed. Salt to taste. I’ve tried ricing the potatoes before putting them into the Kitchenaid. I found no discernable difference. Note: all quantities (except roasted garlic) are guesstimates.

jodyrah November 2, 2018

My grandmother always used Carnation evaporated milk. It actually tastes as delicious as the heavy cream. I dare anyone to tell the difference). I just always keep a quart of heavy cream in the frig so I use what’s on hand.

Ron M. January 8, 2018

My mother never used milk,said all the vitamins were in the water,she just poured some out,added the butter,then added 3/4s of a stick of extra sharp cheddar chease,salt and pepper to taste.Never had to worry about freezing leftovers.

Pat K. December 5, 2017

Looks great. I had to laugh that it "serves 8" though. Not in our family, lol!

Susie W. April 30, 2017

This about melting the butter and heating the milk is a little too-too for me.; I have the butter and milk at room temp, which is usually pretty warm if I'm seriously cooking. For me, the critical thing is to dry the potatoes after I've drained them - put them back in the pot over low heat, mash them roughly with a wooden spoon, drive off the excess moisture. Rice the dried potatoes into a bowl, add about 6 T of butter in blobs, mix it in with a big fork, taste for salt, add enough milk to satisfy your creaminess threshold. I've never had any leftover mashed potatoes.

cookinalong November 23, 2016

Interesting food science tid-bit about the butter/milk thing. But, seriously? 2 lbs. of potatoes for 8 people??? Not in my house! If 8 people sit down to Thanksgiving dinner with a miserly 2lbs of spuds on the table, there will be blood. Extra stuffing might soften the blow, but only just...

Karen C. November 2, 2016

Cooks Illustrated used this technique and one other. Instead of cutting the potatoes and submerging them, you leave them whole and steam them. It takes forever but you end up with much more potato flavor. They do turn a little brown on the outside; I suppose if that bothered you, you could steam them in the peel and peel them before mashing.

amy.d.cutting November 7, 2016

Hmmm, I might try them in the Instant Pot and cook them in there (which steams them as well but much quicker and hands off!) and then follow the rest of the recipe. Love good mashed potatoes and your idea of combining the techniques further sounds great!

Susie W. April 30, 2017

I've done it Cooks Illustrated way: the idea being that the potatoes don't soak up too much water with boiling. Their method works, but so does Julia Child's method of returning boiled pieces of potato to the pan on low and mashing them roughly, driving off the excess moisture. Water-logged potatoes will not turn into fluffy mashed potatoes, no matter how much butter and milk you add.

Lk G. August 11, 2021

Would you please share how this technique worked out for you?

Lori M. October 30, 2016

What makes these freezer friendly? How long do they keep in the freezer & what's the best way to reheat them?

Kristen M. October 30, 2016

Here's some (yes, surprising) advice Ina Garten shared with us on re-heating frozen mashed potatoes: https://food52.com/blog/11742-ina-garten-s-make-ahead-thanksgiving-advice And here are a whole bunch more freezing and reheating options from the Kitchn: http://www.thekitchn.com/the-best-way-to-freeze-and-reheat-mashed-potatoes-225440

Cristy May 17, 2016

What's amazing about this recipe...this is the way my mom and grandmother taught me how to mash potatoes. Remember many holidays doing just this method!

keg72 May 16, 2016

That's interesting. I have a cookbook, The Peefeft Recipe by Pam Anderson, that makes the exact opposite recommendation. Based on loads of tests, she recommends adding the milk before the butter. It's been a while since I've read the recipe, but, if memory serves, she found that the fat coated the potato molecules in such a way that they were prevented from absorbing enough milk.

james M. May 15, 2016

Jim Miller.

A very interesting and delicious technique, but not new. James Beard, in his 1972 cookbook, American Cookery, included adding butter to the potatoes prior to adding cream.

wenderzz May 11, 2016

Is there any reason I couldn't just add the butter to the pan with the drained potatoes, letting their heat melt the butter for me rather than dirty another dish? That's what I currently do, but I'm open to change it if melting the butter beforehand makes for a better result.

Imbatnan May 11, 2016

My thoughts exactly! Why is the secret not just "add the butter first"?

linda May 15, 2016

I read some time ago about heating butter and milk to same temp as potatoes and it does make a difference imo. Not one to dirty too many dishes I have long used a mug to melt the butter in the microwave, tip the butter in the potatoes and use the same mug to heat milk in the microwave (while mashing the butter in).

Traveler May 15, 2016

@Linda - That is exactly what I do!

Diane Morgan's Classic Mashed Potatoes Recipe on Food52 (2024)

FAQs

Why add butter before milk in mashed potatoes? ›

Overworking the potatoes will cause them to get gummy, potatoes should still be light and fluffy. 6. Add the butter first. Adding the butter first helps to coat the starch in the potato, resulting in a creamier potato.

Should you soften butter for mashed potatoes? ›

Adding cold dairy to your mashed potatoes also cools the mash down — and very few people like cold mashed potatoes. Ready to put this tip into action? Bring the milk and butter to at least room temperature or, better yet, gently heat them on the stovetop before adding them to your potatoes.

What does cold milk do to mashed potatoes? ›

Cold milk will just cool down the mash and you don't want that to happen. Cut as much butter as you need and put it into a bowl with the milk. Microwave the butter and milk until the butter has softened and the milk is nicely warmed. You don't need to boil the milk or heat it to any specific temperature.

Why do restaurant mashed potatoes taste better? ›

Instead of regular milk, pro chefs generally use a generous helping of buttermilk and plenty of half-and-half or (even better) heavy cream in their potatoes. If you think the bartenders up front are pouring heavy, they've got nothing on the cooks in the back who are in charge of the mashed potatoes.

Is it better to use milk or heavy cream in mashed potatoes? ›

Heavy Cream - While you, hypothetically, could use whole milk or something, I don't recommend it. Part of what makes these the creamiest mashed potatoes is the CREAM! Use the cream, we aren't eating mashed potatoes for our health. Sour Cream - This recipe is rich and it needs some tanginess for balance.

What should you avoid when making mashed potatoes? ›

10 Mistakes You're Making With Mashed Potatoes
  1. Using the Wrong Potato.
  2. Not Washing Your Potatoes Before Peeling.
  3. Dumping Your Cubed Potatoes Straight Into Boiling Water.
  4. Not Seasoning the Water.
  5. Not Allowing Them To Drain and Dry.
  6. Overworking the Potatoes When Mashing or Whipping Them.
  7. Not Using Enough Butter.
Oct 17, 2023

Should you salt the water when boiling potatoes for mashed potatoes? ›

Cooking your potatoes in very generously salted water—about a tablespoon of water per pound of potatoes—means the potatoes will be seasoned all the way through. Once mashed, they'll need a lot less salt on the back end.

Why are Bob Evans mashed potatoes so good? ›

Made with fresh real potatoes, butter, and milk, Bob Evans Mashed Potatoes tastes like homemade. We put extra care into making our mashed potatoes rich and creamy to deliver that homemade flavor you expect.

What do professional chefs use to mash potatoes? ›

The secret weapon, a good potato ricer (affiliate). This pushes the potatoes into strings, which helps them soak up every bit of the cream and achieve maximum fluffliness.

Should you soak potatoes in cold water before boiling for 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.

Should I melt butter before adding to mashed potatoes? ›

Instead, it's better to use cold butter, so all of the starch is equally coated in the fat and milk solids. Whereas it's important to use cold butter for mashed potatoes, you'll want to add cream that's warm or room temperature.

Why can't you reheat mashed potatoes? ›

It can be tricky to reheat mashed potatoes on the stovetop because you can sometimes overstir (which leads to gluey potatoes), or understir (which leads to scorched pots). To avoid all this, try a double boiler approach: Place the potatoes in a bowl (stainless steel works best).

What does mixing butter and milk do? ›

Due to its high fat content, comparable to that of heavy cream, the milk butter mixture will have the ability to capture air bubbles and generate a stable foam when whipped. To summarize, if a recipe calls for heavy cream in the batter, it can be substituted with a mixture of 75% milk and 25% butter.

Why do you add butter to milk? ›

Milk and butter

It's an easy substitute that'll work for most recipes. The butter adds extra fat to the milk, making its fat percentage similar to that of heavy cream. Combine 1/4 cup (57 grams) of melted butter with 3/4 cup (178 mL) of milk and mix thoroughly to make 1 cup (237 ml) of heavy cream.

How do you keep mashed potatoes from getting gluey? ›

Thick-skinned varieties like russets will give you the fluffiest results. Steer clear of waxy red-skinned potatoes, which turn gluey when mashed. If it's too late to make the swap, change course and roast the potatoes tossed with oil, garlic and some fresh rosemary if you have it, instead of boiling them.

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