Tomato and prawn soup

Tart up a can of tomatoes with a dash of chilli and a handful of prawns for a speedy soup Ingredients1 x 400g can diced tomatoes1 celery stick, sliced5ml (1 tsp) crushed ginger3 sprigs fresh thyme1 large onion, finely chopped2 red chillies1 carrot, peeled and grated750ml (3 cups) vegetable stock30ml (2 tbsp) butter8-10 prawns, deveined15ml (1 tbsp) chopped fresh coriander (optional)Salt and pepper, to tasteMethodPlace the tomatoes, celery, ginger, thyme, onion, chillies, carrot and stock in a p...