
Mashed potatoes are a classic side dish that can be frozen for later use. Freezing mashed potatoes is a great way to save time and avoid wasting leftovers, especially during the busy holiday season. When preparing mashed potatoes for freezing, it is important to use a recipe that includes butter, cream, or other sources of fat to maintain their texture and flavour. Once cooled, the mashed potatoes can be placed in aluminum pans, covered tightly with heavy-duty aluminum foil, and then stored in freezer-safe bags. When ready to serve, the frozen mashed potatoes can be reheated directly from the freezer in an oven until warm throughout.
| Characteristics | Values |
|---|---|
| Can you freeze mashed potatoes? | Yes |
| Containers | Aluminum pans, silicone muffin pans, resealable plastic bags, plastic or glass food storage containers, silicone molds, freezer-safe plastic bags, glass or metal containers, freezer-safe casserole dishes |
| Container characteristics | Airtight, covered, vacuum-sealed |
| Additions to mashed potatoes | Butter, cream, milk, sour cream, cream cheese, roasted garlic, bacon, herbs |
| Potato type | Waxy varieties such as red potatoes and Yukon Golds |
| Reheating methods | Oven, stovetop, slow cooker, microwave |
| Reheating temperature | 350° |
| Reheating duration | 30 minutes |
| Storage duration | 1-2 months, 6 months, 1 year |
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What You'll Learn

Preparing mashed potatoes for freezing
Step 1: Choose the Right Potatoes
When selecting potatoes for freezing, opt for waxy, low-starch varieties such as red potatoes or Yukon Golds. These types of potatoes tend to freeze and thaw better, maintaining their texture and flavour. Avoid high-starch potatoes like russets, as they can become grainy and watery after freezing and thawing.
Step 2: Prepare the Mashed Potatoes
Cook and mash your potatoes as you normally would, ensuring they are thoroughly cooked. For freezing purposes, it is essential to add plenty of butter, cream, or milk to your mashed potatoes. The fat content helps maintain their texture and flavour during freezing and thawing. You can also add extras like roasted garlic, herbs, or bacon for additional flavour.
Step 3: Cool the Mashed Potatoes
Allow the mashed potatoes to cool completely to room temperature before freezing. This step is crucial, as it helps prevent the growth of bacteria and ensures the potatoes freeze properly. Spread the mashed potatoes onto a parchment-lined baking sheet in single-serving mounds to cool and transfer them to the freezer once chilled.
Step 4: Portion and Freeze
Once the mashed potatoes are cooled, you can portion them into individual servings or family-sized containers. For individual servings, you can use an ice cream scoop to create mounds on a parchment-lined baking sheet. Freeze until solid, then transfer the potatoes to freezer-safe bags or airtight containers. For family-sized portions, you can use larger freezer-safe bags, airtight containers, or aluminium pans.
Step 5: Label and Store
Be sure to label your frozen mashed potatoes with the date and quantity. Frozen mashed potatoes can last in the freezer for up to two months. It is best to store them in an airtight container to prevent freezer burn and odours from affecting their quality and flavour.
Step 6: Reheat and Serve
To reheat your frozen mashed potatoes, thaw them overnight in the refrigerator or place them directly into a 350-degree oven for 30 minutes. Stir the potatoes and continue heating until they are warmed throughout. You can also add a splash of milk, cream, or butter before serving to enhance their texture and flavour.
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Freezing mashed potatoes in aluminum pans
Yes, you can freeze mashed potatoes in aluminum pans. Freezing mashed potatoes is a great way to save time and avoid wasting leftovers.
To freeze mashed potatoes in aluminum pans, start by allowing the potatoes to cool to room temperature. You can speed up this process by spreading them out on a baking sheet or tray. Once they are cool, scoop the potatoes into your aluminum pans. You can use either 8x8" pans or mini loaf pans, depending on the portion size you prefer. Cover the pans tightly with several layers of plastic wrap or heavy-duty aluminum foil to prevent freezer odors from penetrating the potatoes. Then, place the covered pans in freezer-safe bags and store them in the freezer.
When you are ready to enjoy your frozen mashed potatoes, remove them from the freezer and place them directly into an oven preheated to 350 degrees Fahrenheit, leaving the foil cover on. Heat the potatoes for about 30 minutes, then stir and continue cooking until they are warmed throughout. You can also thaw the potatoes in the refrigerator overnight or for up to two days before reheating them in the oven, on the stovetop, or in the microwave.
To ensure the best flavor and texture, it is recommended to consume frozen mashed potatoes within one to two months. Additionally, it is important to note that the type of potato and recipe used can impact the freezing and reheating process. For optimal results, choose waxy, lower-starch potatoes such as red potatoes or Yukon Golds, and incorporate plenty of butter, cream, or other dairy products into your recipe.
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Reheating frozen mashed potatoes
Freezing mashed potatoes is a great way to plan for holidays or avoid wasting leftovers. The key to freezing mashed potatoes is to ensure they are coated with plenty of butter and cream. The fat from the dairy will protect the potatoes in the freezer and help them retain their flavor.
When it comes to reheating frozen mashed potatoes, there are several methods you can use:
Stovetop
Place the thawed potatoes in a saucepan over medium heat and stir occasionally until heated through. You can add a generous spoonful of sour cream or cream cheese if the potatoes turn watery to bring the texture back together.
Oven
Place the frozen potatoes in an oven-safe dish and heat in a preheated oven at 350 degrees Fahrenheit for 20 to 30 minutes, stirring occasionally, until heated through. You can also place the potatoes directly from the freezer into the oven, keeping the foil cover on them. Heat for 30 minutes, stir, and continue cooking until they are warm throughout.
Slow Cooker
Thaw the potatoes in the fridge, then heat them in a slow cooker on low for 2 hours or more. This method is suitable when you need to heat a large batch of mashed potatoes for a crowd.
Microwave
Place the thawed potatoes in a microwave-safe bowl, cover, and heat for about 5 minutes. Stir occasionally until heated through. Adjust the heating time as needed, depending on the power of your microwave.
It is recommended to thaw frozen mashed potatoes in the refrigerator before reheating, which can take up to 2 days. However, you can also reheat them directly from their frozen state. The USDA recommends ensuring that reheated mashed potatoes reach 165ºF to be safe to eat again.
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Choosing the right potatoes for freezing
When it comes to choosing the right potatoes for freezing, there are a few things to consider. Firstly, it is recommended to use potatoes that are lower in starch and higher in wax. Varieties such as red potatoes and Yukon Gold are ideal, as they tend to hold their shape and texture better during the freezing and thawing process. On the other hand, high-starch potatoes like russets can become grainy and watery when frozen and reheated, altering the texture of your mashed potatoes.
Another factor to consider is the size of the potatoes. Larger potatoes are often easier to work with, as they are simpler to peel and mash. However, smaller potatoes can also be used, especially if you plan to leave the skins on. The key is to choose potatoes that are uniform in size, as this will ensure even cooking and freezing.
Additionally, it is important to select potatoes that are fresh and firm. Avoid any potatoes that are sprouting or have soft spots, as they will not freeze well. Also, keep in mind that raw potatoes do not freeze well due to their high water content. Instead, it is best to par-cook or fully cook the potatoes before mashing and freezing them. This helps to maintain their texture and flavour.
When preparing potatoes for freezing, it is essential to add plenty of butter and cream. The fat content in these ingredients helps to protect the potatoes during freezing and ensures they retain their creamy texture and flavour. So, choose a recipe that is generous with dairy and avoid those that rely solely on broth and oil.
Lastly, consider the quantity of potatoes you plan to freeze. If you are cooking for a large crowd, you may need to use multiple pans or storage containers. Alternatively, if you are cooking for just a few people, you can portion out the mashed potatoes into smaller freezer-safe bags or containers. That way, you can easily thaw and reheat the exact amount you need without wasting any food.
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Storing mashed potatoes in the fridge
Yes, you can freeze mashed potatoes in aluminum pans. Here is a step-by-step guide to storing mashed potatoes in the fridge:
Preparation
Before storing mashed potatoes in the fridge, they must be prepared and cooled. First, cook and mash your potatoes, adding butter and cream to taste. You can also add extras such as roasted garlic, bacon, or herbs. However, be aware that herbs like chives and parsley may lose their bright green color in the fridge. Once your potatoes are mashed, let them cool to room temperature.
Storing
To store mashed potatoes in the fridge, place them in an airtight container. This prevents oxidation and the potatoes from turning gray. You can use any type of airtight container, such as a glass or plastic storage container, a freezer bag, or an aluminum pan. If using an aluminum pan, cover it tightly with heavy-duty aluminum foil.
Storage Time
According to the USDA, cooked potatoes will last for about three to four days in the fridge. However, some sources suggest that homemade mashed potatoes are only good for two to three days. If you plan to store the potatoes for longer than a week, it is recommended to freeze them instead.
Reheating
To reheat your mashed potatoes, you can use a stovetop, oven, microwave, or slow cooker. For the stovetop method, place the potatoes in a saucepan over medium heat and stir occasionally until heated through. For the oven method, place the potatoes in an oven-safe dish and heat at 350°F for about 30 minutes, stirring occasionally. For the microwave method, heat the potatoes in a microwave-safe bowl for about 5 minutes, stirring occasionally. If you are reheating a large batch of potatoes, the slow cooker method is ideal. Place the potatoes in the slow cooker on low heat for 2 hours or more, stirring occasionally.
Tips
- If you have a large amount of mashed potatoes, you can freeze them in single-serving portions before placing them in the fridge to thaw. This makes it easier to reheat only the amount you need.
- To add a boost of flavor, try adding roasted garlic or ranch seasoning to your mashed potatoes before storing them.
- If you plan to freeze your mashed potatoes, it is important to add plenty of butter and cream to prevent them from becoming mushy or waterlogged.
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Frequently asked questions
Yes, you can freeze mashed potatoes in aluminum pans. Cover the pans tightly with heavy-duty aluminum foil, place them in freezer-safe bags, and freeze.
First, let the mashed potatoes cool thoroughly. Then, place scoops of mashed potato on a parchment-lined baking sheet and freeze until solid. Place the potatoes in the aluminum pan and cover tightly with aluminum foil. Place the covered pan in a freezer-safe bag, squeezing out as much air as possible.
The USDA says that leftover mashed potatoes will be good for 1-2 months in the freezer. However, some sources say that mashed potatoes can be kept in the freezer for up to 6 months, or even a year.
To reheat, place the potatoes directly from the freezer with the foil cover still on them into a 350-degree oven. Heat for 30 minutes, stir, and continue to cook until they're warm throughout.











































