Soil derived fungus, fermented with Glucose as an energy source, Sulphuric Acid and Phosphoric Acid to help things along with a few Synthesised Amino Acids for digestibility. Chemical-tastic!
I would sooner eat the eyeballs, snouts and bollocks of a perpetually shit-covered coprophagic quadruped fed on spent brewers yeast. Or Sausages as they are more commonly known.
Quorn is appalling stuff unfit to be called food, but researching the whole chain behind what’s on your plate is terrifying. Stuff like this makes it very tempting to live in a wooden shack and only eat what I farm or catch.