Make Ahead Mashed Potatoes Recipe for Thanksgiving - The Cookie Rookie® (2024)

Make Ahead Mashed Potatoes Recipe for Thanksgiving - The Cookie Rookie® (1)

By: Becky Hardin

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Make Ahead Mashed Potatoes are the ultimate potato side dish for your Thanksgiving or holiday table! This creamy dreamy mashed potato casserole means you don’t have to be trapped in the kitchen this holiday. Prep it days ahead of time then pop it in the oven on the day of–it’s so easy!

Make Ahead Mashed Potatoes Recipe for Thanksgiving - The Cookie Rookie® (2)

Table of Contents

What’s in this Make Ahead Mashed Potatoes recipe?

If you’re looking for some Thanksgiving dishes you can make ahead of time, then these easy baked mashed potatoes are exactly what you need. Creamy ingredients, simple seasonings, and an optional topping make delicious potatoes!

  • Potatoes: Yukon Gold potatoes are the best for fluffy mashed potatoes with a creamy texture.
  • Butter: Softened butter adds richness, moisture, and flavor. We also add cubes of butter on top, which gives them a browned and buttery finish.
  • Cream Cheese: Softened cream cheese adds a really creamy texture.
  • Half and Half: Use half and half (or whole milk) for an extra splash of moisture.
  • Seasonings: I like to use Lawry’s seasoned salt for the best flavor, but you can also use regular salt and pepper. Add in some dried chives if you like!

Pro Tip: If you’d like to add a topping to these make ahead potatoes, mix butter, breadcrumbs, and Parmesan cheese, and sprinkle on top before baking.

What else can I add to these make ahead potatoes?

These make ahead mashed potatoes are essentially a casserole that you can prep ahead of time, then bake and serve. So it’s easy to add some other ingredients into the mix without any extra steps. Add in bacon crumbles, green onions, minced garlic, caramelized onions, or anything you might usually throw on top.

Make Ahead Mashed Potatoes Recipe for Thanksgiving - The Cookie Rookie® (3)

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How far ahead of time can I make mashed potatoes?

These potatoes can be cooked, mashed, and prepped for cooking up to 2 days ahead of time.

Can I prep potatoes ahead of time for mashed potatoes?

This recipe boils, mashes, and mixes the potatoes, so they’re ready to cook. If you simply want to prepare potatoes to make traditional mashed potatoes on the day of, you can peel and cut them, then submerge them in water (in the fridge) overnight.

How long do you bake mashed potatoes in the oven?

This make ahead mashed potato casserole needs 40-45 minutes to bake in the oven at 375°F. If you cook them straight from the fridge, you might need to add 10-15 minutes.

Can I bake these mashed potatoes right away?

Even though this recipe was designed to be made ahead of time, you can absolutely bake them right after prep and enjoy them immediately.

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How to Make Ahead, Store, and Cook

Here’s how to make these mashed potatoes ahead of time:

  1. Peel and cut potatoes.
  2. Boil potatoes to soften them up.
  3. Mash them up with milk, butter, & cream.
  4. Put the potatoes in a casserole dish, cover, & put them in the refrigerator until you’re ready to bake them.
  5. These can be stored in the refrigerator up to 2 days before cooking in the oven.
  6. When ready to cook, let them come to room temperature, then place the prepared potatoes in the oven and bake until warmed through.

How to Store and Reheat Leftovers

After the mashed potatoes have been cooked and dinner has been eaten, you can store leftovers in the fridge or freezer. Store them in an airtight container, and store in the fridge up to 4 days, or the freezer up to 2 months. Reheat in the microwave or oven.

Serving Suggestions

These make ahead mashed potatoes pair perfectly with make ahead gravy, Thanksgiving turkey, and all the rest of your Thanksgiving side dishes!

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5-Star Review

“Best potatoes!! Tasty and creamy.” – Margarette

Recipe

Make Ahead Mashed Potatoes Recipe

4.33 from 34 votes

Author: Becky Hardin | The Cookie Rookie

Prep: 30 minutes minutes

Cook: 45 minutes minutes

Total: 1 hour hour 15 minutes minutes

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Prep, mash, and mix your potatoes ahead of time, so you can have creamy and delicious mashed potatoes ready for Thanksgiving with ease!

Step-by-step photos can be seen below the recipe card.

Make Ahead Mashed Potatoes Recipe for Thanksgiving - The Cookie Rookie® (8)

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Ingredients

  • 5 pounds Yukon Gold potatoes
  • ¾ cup unsalted butter room temperature and divided (1½ sticks)
  • 8 ounces cream cheese room temperature (1 brick)
  • ½ cup half-and-half or whole milk
  • ½-1 teaspoon seasoned salt or kosher salt
  • ½ teaspoon freshly ground black pepper
  • ½ teaspoon dried chives optional

Recommended Equipment

  • 8×8-inch Baking Pan

Instructions

  • Spray a 2-quart casserole with cooking spray and set aside for now.

  • Peel the potatoes, remove any eyes, and cut them into 3-inch cubes.

    5 pounds Yukon Gold potatoes

  • Steam (or boil) the potatoes just until fork tender, but not falling apart, about 10-15 minutes. Remove from heat.

  • Drain the water and place the potatoes in a saucepan; mash the potatoes for one minute over medium-low heat to remove the excess moisture/steam from the potatoes. Remove potatoes from heat.

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  • If the saucepan is large enough, leave the potatoes in the pan, and add ½ cup of butter, cream cheese, half-and-half, and seasonings. (If the saucepan is too small, place the potatoes in a large mixing bowl to mash.) Mash the potatoes until they are light and fluffy. Season to taste.

    ¾ cup unsalted butter, 8 ounces cream cheese, ½ cup half-and-half, ½-1 teaspoon seasoned salt, ½ teaspoon freshly ground black pepper, ½ teaspoon dried chives

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  • Spoon potatoes into the casserole dish and bake immediately, or cover and refrigerate for up to 48 hours.

    Make Ahead Mashed Potatoes Recipe for Thanksgiving - The Cookie Rookie® (11)

  • When ready to bake, preheat oven to 375°F.

  • Cut the remaining ¼ cup butter into smaller pieces and scatter them around the top of the potatoes.

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  • Bake, uncovered, for 40-45 minutes or until potatoes are hot.

    Make Ahead Mashed Potatoes Recipe for Thanksgiving - The Cookie Rookie® (13)

Last step! Don’t forget to show me a pic of what you made! Upload an image or tag me @thecookierookie on Instagram!

Becky’s tips

Adapted from The Pioneer Woman.

  • This dish can be made up to two days in advance. If making the potatoes ahead, remove them from the fridge 2-3 hours before cooking. Add an additional 10-15 minutes to the baking time.

Storage:Once baked, store these mashed potatoes in an airtight container in the refrigerator for up to 4 days or in the freezer for up to 2 months.

Nutrition Information

Calories: 655kcal (33%) Carbohydrates: 69g (23%) Protein: 11g (22%) Fat: 39g (60%) Saturated Fat: 24g (150%) Polyunsaturated Fat: 2g Monounsaturated Fat: 10g Trans Fat: 1g Cholesterol: 106mg (35%) Sodium: 351mg (15%) Potassium: 1689mg (48%) Fiber: 8g (33%) Sugar: 5g (6%) Vitamin A: 1577IU (32%) Vitamin C: 77mg (93%) Calcium: 115mg (12%) Iron: 3mg (17%)

Did You Make This?I want to see! Be sure to upload an image below & tag @thecookierookie on social media!

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FAQs

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 far in advance can I prep potatoes for mashed potatoes? ›

If you'll be cooking the potatoes in the next few hours, you can leave them submerged in water at room temperature, Tiess says. If it will be longer than a few hours, place them in the refrigerator. Peeled, sliced, submerged, and refrigerated potatoes should be cooked within 24 hours.

When should I start the mashed potatoes for Thanksgiving? ›

You can make the mashed potatoes a few hours before dinner, and then keep them warm on the stovetop. When you should start cooking: A couple hours before dinnertime.

How do you keep mashed potatoes fresh for Thanksgiving? ›

Put the lid on your mashed potato pot and gently place the pot inside the simmering water bath. Leave the stove on and allow the water to simmer for as long as you need it to keep your potatoes warm. Not only will the water bath keep your potatoes warm, but it will also keep them light and fluffy.

How far in advance can I make mashed potatoes for Thanksgiving? ›

Check One Thing Off Your Thanksgiving To-Cook List with These Make-Ahead Mashed Potatoes. The most perfectly light, velvety mashed potatoes you'll ever make—two days ahead of time. Ring the alarm, I have a hot (potato) take! There's no better way to screw up a perfectly good potato than to boil it and then pulverize it ...

How to prep potatoes for mashed potatoes the night before? ›

As soon as you peel the potatoes, you'll want to place them into a bowl of water so they're fully submerged, and then store the bowl of potatoes and water in the refrigerator. The water will seal off the potatoes from the air, so the chemical reaction can't occur. Pretty smart.

Can you boil potatoes the night before mashing? ›

Make-ahead mashed potatoes are a great option for the holidays. 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.

Can you peel potatoes for mashed potatoes the night 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.

How many pounds of potatoes do I need for 20 people for Thanksgiving? ›

Plan on 1/3 to 1/2 pound potatoes per person for your feast.

How do I prepare potatoes the day before Thanksgiving? ›

Peel potatoes using a vegetable peeler. It's best to leave them whole, but you can go ahead and cube or dice them if you want — just don't slice them too thin. Fill a bowl with cool water, submerge the potatoes, then cover with plastic wrap. Store in the refrigerator overnight.

Can you reheat mashed potatoes for Thanksgiving? ›

Reheat on the Stovetop

"I almost always make my mashed potatoes for Thanksgiving the day ahead because they're actually very easy to reheat," says Riley Wofford, a food stylist and recipe developer. Wolford's go-to method is reheating the side dish on the stovetop.

How do restaurants keep mashed potatoes fresh? ›

Restaurants prepare the potatoes ahead by boiling and mashing just the potato, then just before serving, it is mixed into boiling cream (or milk or even broth or a combination thereof) to reheat it and make it nice and creamy.

Can you use a crockpot to keep mashed potatoes warm? ›

The lowest setting of your slow cooker will keep the potatoes nice and warm without drying them out. If you notice that they are getting a little dry, loosen them up by stirring in an extra splash of milk or cream or a few tablespoons of butter.

Can you make mashed potatoes ahead of time and reheat? ›

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.

How do restaurants prep mashed potatoes? ›

Restaurants prepare the potatoes ahead by boiling and mashing just the potato, then just before serving, it is mixed into boiling cream (or milk or even broth or a combination thereof) to reheat it and make it nice and creamy.

How do you reheat mashed potatoes without drying them out? ›

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.

Can you boil potatoes and mash them later? ›

Make-ahead mashed potatoes are a great option for the holidays. 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.

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