Lamb kofta stew with cauliflower chickpeas

Name: Lamb kofta stew with cauliflower & chickpeas
Ingredients: 2 tsp olive oil; 1 small onion, chopped; 1 garlic clove, chopped; 400g can chopped tomatoes; 2 tsp tomato purée; 500ml hot lamb stock; ½ small cauliflower, broken into small florets; 0.5 x 400g can chickpeas (save the rest for the kofta balls); ½ bunch coriander, leaves only, to serve; 250g minced lamb; 1 small onion, finely chopped; small pack coriander, finely chopped; ½ tsp ground cumin; ½ tsp smoked paprika; 0.5 x 400g can chickpeas (from above), drained and crushed