Fry onion, carrot and pepper for 5 minutes.

Place them in a bowl and add the breadcrumbs, 1 tsp. each of cumin, coriander and chilli. Add a little salt and pepper, 1 tbsp. soya flour. Mash the butter beans and add them. Mix well.

Form the mixture into 4 thick burgers and coat them with flour.

Fry the burgers for 20 minutes and serve with vegetables.