Re: It was something we used to do in the 60s & 70s
After a little trial and error, we figured out how to set a 40 foot multi-zone belt furnace (nominally used to cook hybrid circuitry) to make chocolate chip cookies. Including the mandatory cooling time ... when they came out the far end they were just warm to the touch, and ready for eating :-)
Elfin safety can kiss my pasty white butt; I don't need protecting from myself. Hey, hold my beer & watch this! ::sweeps cookie crumbs off floor with liquid nitrogen::