Dal with quick naan breads

Name: Dal with quick naan breads
Ingredients: 1 tbsp rapeseed oil; 1 tsp cumin seeds; 1 tsp dried red chilli flakes; 1 onion, roughly chopped; 2 garlic cloves, finely grated; 5cm/2in piece fresh root ginger, peeled and finely grated; 2 tsp ground cumin; 1 tsp ground coriander; ½ tsp ground turmeric; ½ tsp sea salt; 2 x 400g tins green lentils; 2 x 400g tins chopped tomatoes; 1 vegetable stock cube, crumbled; 25g/1oz fresh coriander, roughly chopped; 75g/2½oz fat-free Greek-style plain yoghurt, to serve; 300g/10½oz self-raising flour, plus extra for dusting; ¾ tsp sea salt; 2 tbsp sesame seeds; 175g/6oz fat-free Greek-style plain yoghurt