Here’s how you might save mashed potatoes for a future meal.
Can you freeze mashed potatoes?
“Its important to maintain the potatoes at a safe temperature before freezing.

Credit:Hannah Zimmerman / Southern Living
Letting them sit between 41F and 135F allows for bacterial growth.
If using a freezer bag, squeeze out all the air before [sealing and] freezing.
To freeze smaller servings, scoop 1-cup portions of mashed potatoes onto a parchment-lined baking sheet.
Place the pan in the freezer until completely frozen.
Choose the method and timeframe that suits your needs.
Cover the potatoes to keep moisture in, and heat at half power for one minute.
This method is best for a large amount of mashed potatoes, not individual servings.
You’ll be happy to find them in the freezer during a busy week.
Mashed potatoes fare better after freezing because of the added fat through milk and butter.
Yes, you could freeze purchased mashed potatoes using the same methods you would to freeze homemade mashed potatoes.
U.S. Department of Agriculture Food Safety and Inspection Service.
“Danger Zone” (40F 140F).
AskUSDA.How long can you store cooked potatoes?