The magnetically bottled microwave chamber heated any sample uniformly to the set temperature within a few milliseconds.

Of course, if that temperature was above the boiling point, any biological sample simply exploded as it's inside turned to steam.
Annika had tested that with a lab mouse.

She had previously entered the chamber herself on a cold day and brought herself to a feverish 39 degrees, instantly.

65 was best for cooking meat. Her pinky had tasted absolutely delicious.

Naked she waited for her prof.

"Bon appetite", she said from within the chamber, as the countdown approached zero:

2... 1... BEEP!