You’re undercooked your potatoes the goal isn’t simply to warm them, but allow your body to more easily digest them. But this isn’t just a me thing:

https://www.bigbearswife.com/how-to-cook-a-potato-in-the-mic... How long does it take to cook a potato in the microwave? Between 5-10 minutes

https://microwaveshub.com/how-long-to-heat-up-a-potato-in-th... The cooking time to heat a potato in the microwave will largely depend on the size and type of potato. Here’s a general guideline: Medium Red 6-8 oz, 4-5 minutes large Russet 7-8

I’ve literally never seen a microwave meal take 10 minutes, but I’m guessing that’s theoretically possible if it’s got enough mass to heat up.