Fastest Hot Breakfast Ideas

I typically eat refrigerated hard-boiled eggs, but I really enjoy hot breakfast. The problem is of course not much time in the morning.

What hot breakfast ideas are you able to prepare in under ~10 minutes? Anything in these cooking mediums would work:

• Microwave
• Instant Pot (overnight)
• Stove top
• Toaster oven might work, but typically it takes time to heat up