Wash the potatoes and then place them onto a microwave safe plate.
Microwave the potatoes for 6 minutes per side if large potatoes. 3-5 minutes per side for medium to small. The potatoes should be fork tender.
Once the potatoes are done carefully remove the plate from the microwave, you may need to let it cool before handling.
Microwave the milk in a microwave safe dish for about 25-30 seconds, just enough to warm it.
Allow the potatoes to cool slightly before handling to avoid burns. Place the potatoes into a bowl. Peel if desired, otherwise mash with the warm milk and butter.
Add more milk or butter as needed. Season with salt and pepper to taste and enjoy!
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Notes
Store any leftover mashed potatoes in an airtight container in the refrigerator for up to 3-4 days. If you're planning to freeze we recommend using cream instead of milk.
Reheat leftover mashed potatoes in the microwave or on the stovetop in a small saucepan, adding a bit of milk or butter if needed.