Vaccine? These burgers kill all known germs...dead!
Boil your cup of lentils until they're a mushy mess, fry your onion and garlic, grate your cheese, throw it all in together, add parsley, garlic powder, mixed spices, cayenne, smokey paprika, salt and pepper.
Mix it all up
Make balls of it (You'll be good at that!:)
roll in nutritional yeast
fry in butter
And don't say I never gave you nothing!

Pine nuts? Down with that sort of thing! Brazil nuts all the way.