Make-Ahead Mashed Potatoes Recipe (2024)

FAQs

Can I prep potatoes for mashing ahead of time? ›

You can do nearly everything — boil, peel, and mash; stir in milk and salt — up to two days ahead. Before serving, reheat. Adding butter at the last minute makes them taste freshly mashed.

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. The key to fluffy rice is to rinse off as much starch as possible.

Test Kitchen Tip. You can boil potatoes ahead of time for use later as long as you cover and refrigerate them. They'll last for up to three days in the fridge.

This is also a perfect recipe if you want to prepare mashed potatoes and bring them to your hosts' home. The crockpot will keep them warm on a fairly short trip (up to 30 minutes or so) and you can plug it back into an outlet and set it on the buffet table so it's out of the way!

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).

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.

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 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).

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 much Mashed Potatoes should you make? 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.

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

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. Cover and heat low and slow: Cover the baking dish and set it in a 350°F oven alongside any turkey leftovers you might be reheating too.

You can boil them up to two hours ahead of using them if you keep them refrigerated. Before mashing, warm them back up in hot water, then drain well. They will be a tad more waterlogged in this case, so you may want to undercook a tiny bit before refrigerating.

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.

Mashed potatoes, like other starchy dishes that are made with dairy (think creamy casseroles, macaroni and cheese, scalloped potatoes), can develop a dry, gluey texture when reheated for too long, or at a temperature that's too high.

Yes, you definitely can peel and cut up fresh potatoes, cover them with water and store in the fridge overnight.

In short, yes—if you soak them in water after you prep them.

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

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.