The best way to heat Costco mashed potatoes is in the microwave, using a microwave-safe dish and covering them to retain moisture.
Microwave on high for about 5-7 minutes, stirring halfway through to ensure even heating.
If you prefer using the oven, preheat it to 350°F (175°C), place the mashed potatoes in an oven-safe dish, cover with foil, and heat for about 30-40 minutes, stirring occasionally.
For stovetop heating, place the mashed potatoes in a saucepan over low heat. Stir frequently and add a splash of milk or cream if they seem too thick.
Make sure to taste and adjust seasoning as needed before serving.
Storing leftovers? Keep them in an airtight container in the fridge and consume within 3-5 days for the best quality. Reheat thoroughly before enjoying again.
Can I heat Costco mashed potatoes in the oven?
Yes, you can heat them in the oven at 350°F for about 30-40 minutes.
How do I keep mashed potatoes from drying out when reheating?
Cover them with foil and add a little milk or cream before reheating to retain moisture.
Can I freeze Costco mashed potatoes?
Yes, you can freeze them for up to 2 months. Make sure they’re in an airtight container.
What’s the best way to reheat frozen mashed potatoes?
The best way is to thaw them overnight in the fridge, then heat in the microwave or oven.
Do Costco mashed potatoes come with seasoning?
Yes, they are typically seasoned, but you can always add more to suit your taste.