Heat 1 tbs of the oil in a frying pan and gently fry all but 1 tbs of the onion with the celery for 5 minutes until thay are soft Add the garlic and fry for another 2 minutes
Put the kidney beans in a bowl and mash them lightly with a fork to break them up Finely chop the peanuts in a food processor Pat the tofu dry on kitchen paper break it into pieces and add it to the nuts in the food processor Blend them until the tofu is crumbly then add the mixture to the beans together with the fried vegetables curry paste breadcrumbs and egg replacer and mix everything well to obtain a thick paste
Divide the mixture in the bowl into quarters and shape into burgers dusting your hands with flour if the mixture is sticky Heat the remaining oil in the pan and gently fry the burgers for about 4 minutes on each side until golden
Meanwhile chop the cucumber finely and mix it with the reserved tablespoon of chopped onion the parsley vinegar and sugar in a bowl Serve with the burgers