How To Cook Costco Mashed Potatoes – Easy Kitchen Guide

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By Lori Walker, MS, RD | Published on September 18, 2023 | Last Updated on September 19, 2023

Are you looking for a delicious side dish to make your meals special? Look no further than Costco Mashed Potatoes! This easy-to-make, pre-made mashed potato product from Costco is the perfect way to add flavor and texture to any meal.

Costco is known for its high-quality food products at an affordable price. They offer everything from fresh produce to frozen entrees to their own brand of pre-made side dishes like mashed potatoes.

Whether you’re looking for something quick and easy to serve for dinner or need a crowd-pleasing side dish to bring to a potluck, Costco Mashed Potatoes make the perfect addition. Read on to find out how to make this amazing side dish in just a few simple steps.

How To Cook Costco Mashed Potatoes

What is Costco Mashed Potatoes?

Costco Mashed Potatoes is a pre-made side dish made from fresh potatoes. It’s conveniently packaged for easy storage and comes in a variety of flavors including traditional, garlic, and cheddar cheese.

This product is perfect for busy weekday meals or special occasions when you need to get dinner on the table quickly. The mashed potatoes come with instructions for both the oven and microwave.

Baking them in the oven will result in a golden-brown, creamy texture that’s sure to be a hit with family and friends. For those short on time, microwaving these mashed potatoes is an easy and convenient way to get dinner on the table quickly.

Why You’ll Love This Costco Mashed Potatoes?

Costco Mashed Potatoes is a great side dish for any meal. Not only is it simple to make and affordable, but it also offers versatility in terms of flavor.

You can customize the mashed potatoes with your favorite ingredients such as butter, salt, pepper, garlic powder, or even grated cheese. It’s also perfect for loading up with toppings like bacon, chives, or sour cream.

Additionally, these mashed potatoes are a great source of vitamins and minerals. They contain potassium, vitamin C, magnesium, iron, and other essential nutrients that help to support a healthy diet.

The pre-made nature of Costco Mashed Potatoes also cuts down on the amount of time spent in the kitchen preparing dinner.

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The Ingredients 

  • Costco pre-made mashed potatoes: This variety of mashed potatoes comes pre-made and is easy to prepare. It’s made from fresh potatoes, making this dish a convenient and flavorful addition to any meal!
How To Cook Costco Mashed copycat Potatoes

Step by Step Instructions 

Step 1

Preheat Oven

  • Preheat the oven to 375°F (190°C).

Step 2

Prepare Mashed Potatoes 

  • Remove the mashed potatoes from the package and place them in a baking dish.
  • Sprinkle with butter, salt and pepper.
  • Bake for 25-30 minutes or until golden brown on top.

Step 3

Serve

  • Serve the mashed potatoes with your favorite toppings.

Notes 

  • If you plan on baking the mashed potatoes in the oven, be sure to preheat your oven before beginning.
  • To reduce cooking time, microwaving is an option but it will yield a slightly less creamy texture compared to baking in the oven.
  • If desired, add additional seasonings or toppings of your choice.

Nutrition Information

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How to store Costco Mashed Potatoes?

Costco Mashed Potatoes can be stored in the refrigerator for up to 5 days after opening. Be sure to transfer any leftovers into an airtight container before storing them in the fridge.

It’s also possible to freeze Costco Mashed Potatoes for up to 3 months. Place the mashed potatoes in a freezer-safe container or bag and store them in the freezer.

When ready to use, thaw overnight in the refrigerator and reheat in the microwave or oven before serving. This conveniently pre-made side dish is an excellent addition to any meal and can be easily stored for later use.

Cook Costco Mashed Potatoes

Variations 

Here are a few variations on the classic Costco Mashed Potatoes recipe:

  • Add in some cooked bacon pieces for an extra smoky flavor.
  • Mix in a cup of shredded cheese (cheddar, Gouda, or Gruyère work well) for a cheesy twist.
  • Swap out the butter for olive oil to give it a Mediterranean flavor.
  • Stir in some roasted garlic cloves for a sweet and savory twist.
  • Drizzle with olive oil and sprinkle on some herbs like thyme or rosemary for added flavor.
How To Cook Costco Mashed Copycat Potatoes

How To Cook Costco Mashed Potatoes

Are you looking for a delicious side dish to make your meals special? Look no further than Costco Mashed Potatoes! This easy-to-make, pre-made mashed potato product from Costco is the perfect way to add flavor and texture to any meal.
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Author: Lori Walker, MS, RD
Course: Dinner
Cuisine: American
Prep Time: 30 minutes
Total Time: 30 minutes
Servings: 3
Calories: 233kcal

Equipment

  • baking dish

Ingredients

  • 1 Package Costco pre-made mashed potatoes

Instructions

  • Preheat your oven to 375°F (190°C).
  • Gently remove the Costco pre-made mashed potatoes from its packaging and place them into a baking dish. Generously top with butter, salt, and pepper. Bake in the oven for 25-30 minutes or until the top is golden brown.
  • Serve the mashed potatoes hot with your favorite toppings.

Notes

  • If you plan on baking the mashed potatoes in the oven, be sure to preheat your oven before beginning.
  • To reduce cooking time, microwaving is an option but it will yield a slightly less creamy texture compared to baking in the oven.
  • If desired, add additional seasonings or toppings of your choice.
Keyword: How To Cook Costco Mashed Potatoes

FAQs

How do you know when the mashed potatoes are done?

The mashed potatoes should be golden brown and slightly crispy on the top when they’re finished cooking. Check the internal temperature of the potatoes with a meat thermometer to make sure they’ve reached the desired temperature of 165°F (74°C).

Is this safe for pregnant women?

Yes, mashed potatoes are safe for pregnant women. Be sure to follow the instructions carefully and cook the potatoes until they reach an internal temperature of 165°F (74°C).

Can I use other potatoes instead of Costco Mashed Potatoes?

Yes, you can use other types of potatoes such as russet or Yukon Gold potatoes. Be sure to check the cooking time and adjust accordingly.

Wrapping Up

In this article, we’ve discussed an easy and delicious side dish from Costco: Mashed Potatoes. This pre-made product is perfect for busy weeknights or special occasions when you need to get dinner on the table quickly.

We covered how to make this classic side dish in a few simple steps as well as some variations on the recipe if you’re looking for something new. Please share this article with a friend if it is helpful. Thank you for reading.

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My name is Lori Walker. I’m a registered dietitian, food blogger and food enthusiast. I share easy healthy, delicious recipes on my blog and review necessary kitchen items. The recipes I share take less… Read more

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