Fry chopped onion in 2 tbsp oil for 5 minutes. Top and tail okra and add to pan with 1 tsp salt, 1 tsp cumin seeds, 1 tbsp coriander. Mix well and cook gently for 5 minutes. Add 7 fl. oz. water and simmer for 20 mins. Add tomatoes, roughly chopped. Serve on rice, preferably basmati.