Nothing's geting irradiated; it's simply this dish for keeping cooked food warm over a flame
If 
you are eating outdoors at a picnic or cookout where temperatures are over 90F, 
... Keep hot foods at 140F or warmer by using chafing dishes, slow cookers, ... 
it's a beloved combination of small bites of tasty food, usually accompanied by... [DOC] [TLE] storage - How can I keep food hot for extended periods without an ... [PAR] Say I have a hot dish, and I want to keep it hot and safe (i.e.