How Many Pounds of Potatoes Should You Use in Mash? (2024)

Besides being an entertaining children’s toy (Potato Head FTW), potatoes are the most popular vegetable on earth and form an integral part of our diet in all their delicious guises. But how many are you supposed to eat with a meal?

How many pounds of mashed potatoes are in a serving?

The United States Department of Agriculture considers that a serving of mashed potatoes is 1 cup, which equals 210 grams (g) or almost half a pound (0.46 pounds).

But don’t let anyone dictate(r) to you the size of a mashed potato serving. If you want to eat 2 cups, or even 3, it’s your decision.

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Originally hailing from Peru (Perutato?), the humble potato made its way around the world before quickly gaining popularity in the United States — so much so that the average citizen now manages to munch their way through almost 50 pounds of taters every year.

So, we’ve established the spuds’ divine status as a culinary deity — but how many pounds of spuds do you need to prepare for each person? Let’s find out.

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It depends on who you ask. According to the Guinness World Records, the current holder of the world’s heaviest potato title weighs 10 pounds (lbs.) and 14 ounces (oz). That’s a lot of mash (a mash-ive amount, some might say).

If you’re after a more modest tater, then, according to FoodData Central:

  • 1 large raw potato weighs 369 grams (0.81 lbs.)
  • 1 medium potato weighs 213 grams (0.47 lbs.)
  • 1 small potato weighs 92 grams (0.20 lbs.)

The best potatoes to use for mash are Yukon Gold potatoes or Russet potatoes — or if you’re feeling fancy, a combo of both (oo-er).

Boiling spuds doesn’t change their weight significantly. So, if you’re aiming for a cup of mash (weighing half a pound) per person, you can begin with the same weight in raw spuds. That means a medium-sized potato will give you approximately 1 cup of mash.

The ultimate potato weight table for feeding a crowd

What if you’re serving a veritable gang of people? Well, lucky for you, we truly know our potatoes.

Number of peopleTotal potato weightNumber of medium-size potatoes needed
10.5 lb.1
42 lbs.4
63 lbs.6
105 lbs.10

Although the serving size for mashed potatoes is 1 cup, if you’re making mash as a side dish, you can halve this amount. Or not! It depends on how hungry you’re feeling.

You can also batch cook mashed potatoes and have leftovers for the next day. It’s always better to make extra than to not have enough.

Nope.

Well, technically you can, as there probably won’t be anyone to stop you, except for the potato police (and you know they make outstanding detectives because they always keep their eyes peeled).

But (and this is a biggie) you’d be doing yourself and your spuds a disservice. Potatoes lose their gorgeous flavor and creamy texture when you freeze and thaw them.

Your mashed potatoes will become grainy and watery instead of the fluffy, delightful texture they should be. They’ll collect ice, especially if you haven’t sealed them properly, and it’s all downhill from there — until you defrost them, and they’re a weird, flavorless mush.

Although you save some time (not much, though) by making your mashed potatoes ahead of time, it’s just not worth it.

If you put in a little bit of effort, you can easily create exquisite mashed potatoes that people can’t get enough of. Try this recipe and see what you think.

Serves: 4

Ingredients:

  • 4 pounds of Russet or Yukon Gold potatoes (or approximately 8 medium-sized potatoes)
  • 1 cup whole milk
  • 1/2 cup heavy cream
  • 1/3 cup butter (room temperature)
  • 3 cloves garlic, minced
  • 2 teaspoons salt
  1. Clean your potatoes. Peel them or leave the skin on, whatever you like best. If you’re aiming for creamy, fluffy mash, you’re better off peeling them.
  2. Cut the spuds into 1-inch pieces and place them in a pot with cold water. Make sure all the potatoes are covered.
  3. Add 1 teaspoon of salt to the water. Bring the pot to a boil on high heat. Then, lower the heat and simmer for 12 to 15 minutes, or until you can easily pierce the potatoes with a fork.
  4. While the potatoes are cooking, use your stand mixer or hand masher to mix the milk, heavy cream, and butter. Transfer into a small saucepan and warm up on low heat to melt the butter. Be careful not to burn the milk. Add the minced garlic and the remaining salt to taste and take off the heat.
  5. Drain the potatoes and put them back into the pot or a mixing bowl if you’re using a stand mixer. Using a hand masher or stand mixer, mash the potatoes until you have a creamy, smooth consistency.
  6. Slowly mix the milk and butter mixture into the mash until you get your desired consistency. Be careful not to add too much, or your mash will be runny.
  7. Serve warm and add any toppings that you fancy, like fresh chives, cheddar cheese, or bacon bits.

Mashing a potato doesn’t reduce its weight at all. The number of potatoes you need per person may vary depending on your appetite.

The USDA reckons that a cup (or 1/2 pound) of potatoes will do. If you want more, have more. (Keep an eye on those potato-induced blood sugar spikes though, and try to avoid going overboard on the mash servings.)

Mashed potatoes are, or should be, a staple side dish in everyone’s home. Not only do they provide you with a serving of healthy carbs, but they also taste delicious.

They’re usually a hit with fussy kids and picky eaters, and they’re hella versatile — you can prepare them to be mega-healthy or super-indulgent. It’s best to make your mash fresh, as this will give you the best flavor and texture. Many foods freeze well, but potatoes aren’t one of them.

How Many Pounds of Potatoes Should You Use in Mash? (2024)

FAQs

How Many Pounds of Potatoes Should You Use in Mash? ›

Mashing a potato doesn't reduce its weight at all. The number of potatoes you need per person may vary depending on your appetite. The USDA reckons that a cup (or 1/2 pound) of potatoes will do. If you want more, have more.

How many pounds of potatoes for mashed potatoes? ›

Add the butter and warm milk to the bowl and mash with a potato masher or fork (or pass the potatoes through a ricer or food mill for a smoother mash). Season with salt and pepper. Plan on 1/3 to 1/2 pound potatoes per person for your feast.

How many potatoes in a portion of mash? ›

Potatoes or sweet potato

boiled and mashed potatoes: Raw, 120g to 170g. jacket and baked potatoes: Raw, 200g to 280g.

How many people does 1lb of potatoes serve? ›

You'll need 454 grams (one pound), or about three medium potatoes, to yield enough for 3 servings.

How much do 10 pounds of mashed potatoes feed? ›

10 lbs is enough mashed potatoes for around 8 adults getting reasonably sized servings (ie large).

What 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 per pound? ›

One commercially-sold, large russet potato weighs about a pound. Two medium-sized potatoes also make a pound. Three small potatoes make a pound (you get where this is going). Essentially if one or more potatoes fit in your hand comfortably, it is reasonable to assume that you are holding about a pound of potatoes.

How many potatoes for 8 servings of mashed potatoes? ›

How Many Pounds of Potatoes Per Person You'll Need
Number of peoplePounds of potatoes
63 lb.
84 lb.
105 lb.
126 lb.
2 more rows
Jan 5, 2024

How many servings in 5 lbs of mashed potatoes? ›

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

How long should potatoes boil for mashed potatoes? ›

Once boiling, reduce heat, adjusting as needed to maintain a simmer. Cook potatoes until they offer no resistance when pierced: 10–12 minutes for baby potatoes, 15–20 minutes for small potatoes, or 30–40 minutes for large cubed potatoes. Drain potatoes in a colander and let cool 10 minutes.

Is 5 pounds of potatoes enough for 10 people? ›

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.

How to keep mashed potatoes warm? ›

When time is limited and mashed potatoes are a "must have" on the menu (which is always), keep the prepared potatoes warm by placing them in a heat-resistant bowl, covering, and setting it over a pot of simmering water. The potatoes should still be tasty 2 to 3 hours later.

Can you freeze mashed potatoes? ›

Yes! In fact, mashed potatoes are of the most freezer-friendly potato preparations out there. The key is to coat your potatoes with plenty of butter and cream. The fat from the dairy will protect the potatoes in the freezer and help them retain their flavor.

How many lbs of potatoes for 20 people for mashed potatoes? ›

10 lbs for 20, 100 lbs for 200. If I am serving additional starch dishes, eg., stuffing at Thanksgiving, I might cut back a bit. If you want no leftovers I suppose you could get away with 4 oz per person. What is the best way to cook white potatoes for mashed potatoes?

What is the portion size of mashed potatoes? ›

Mash: 200g

Nutritionists recommend your midweek mash portion should only be the size of your fist. Or a tennis ball. Whichever is easier.

How many potatoes for 2 people mash? ›

The Basics of Making Mashed Potatoes For Two

This recipe calls for 1 1/2 pound of Yukon Gold potatoes to serve two generously. Choose whole milk or heavy cream for mashing, and make sure you have butter on hand for serving. This recipe takes about 30 minutes in total, including some hands-off cooking time.

How many people will 5lbs of mashed potatoes feed? ›

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.

How much mashed potatoes does 5 pounds of potatoes make? ›

We need to feed 50 so 5 lbs makes 8 cups, makes 16 1/2 cup servings . . . the math doesn't quite work out for 50–so we need 3 people to make 5 lbs and one person to make a smaller batch of one pound or 3 pounds.

How many pounds of potatoes do I need for 25 adults? ›

How Much Food to Serve at a Party
FOODSERVE 25SERVE 50
Meats
Peas (fresh)12 pounds25 pounds
Potatoes9 pounds18 pounds
Potato salad3 quarts1–1/2 gallons
35 more rows
Jul 2, 2024

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