large handful coriander or parsley and flatbread, to serve
Heat the oil in a large saucepan, then fry the onion and celery gently for 10 mins until softened, stirring frequently. Tip in the cumin and fry for another min.
Turn up the heat, then add the stock, tomatoes and chickpeas, plus a good grind of black pepper. Simmer for 8 mins. Throw in broad beans and lemon juice, cook for a further 2 mins. Season to taste, then top with a sprinkling of lemon zest and chopped herbs. Serve with flatbread.