In the 1970’s and 1980’s there were several books the either had characters that did it or promoted it.
Why is there no cooking tray in my new car’s engine bay?
Is it dangerous? (It would be less physically dangerous if there was a specific spot for it.)
Everyone’s overlooking that op asked why cars weren’t designed for cooking with the waste heat from the engine.
I think you could easily have a loop out of the radiator that was used as a heater for an enclosed air frier.
Totally a waste but it would be feasible
That’s literally how your car’s heater works. But it didn’t get that hot because the radiator dissipates most of the heat.
What you really want is to replace the water in the radiator with fry oil, and have a little basket for deep frying things in there glove box.