Soya is found in almost all packaged food (soya lecithin) irregardless of whether there is meat in it or not. S'not just about your fucking Quorn burger.
Apart from Quorn which is made from:
Mycoprotein (88%), rehydrated free range egg white, roasted barley malt extract. Contains Egg & Barley Gluten. Produced in a factory that handles Milk & Wheat.
Apart from Quorn which is made from:
Which, by the way, I don't and never have eaten.