Curry Chickpea Burgers

What do you think of when someone says “burger”? Is it thick meaty patties, dripping with grease, encased in the ubiquitous flat white buns with sesame seeds sprinkled on top? Perhaps there’s a limp lettuce leaf, slice of tomato and some plastic-y cheese in there. Maybe some gherkins, a squiggle of ketchup or mayonnaise. Or…