Sneaking vegetables into a burger is a good option for children who are super fussy and profess to hate veggies. Watch them munch these vegan burgers up in blissful ignorance. Instead of using egg as binder in the burger mixture, I use chia seeds soaked in water.
Put the grated carrot and courgette in a clean tea towel and squeeze out the excess liquid. Transfer to a bowl and add the mushrooms, oregano, parsley, cayenne pepper, ketchup, soy sauce and