[almostnormal]

Use case: Please cook my food for 12 minutes at 600W to be ready to eat at 12:30.

An alternative could be to let the user do the math, and change it to "Please start cooking in 3h27min for 12min at 600W".

[p1mrx]

Most microwaveable food can't be safely left at room temperature for hours.

[valicord]

Great market opportunity to make a fridge/microwave combo?

[p1mrx]

I think hot food vending machines do that already.