- Heat oil in a pan, saute cumin seeds, ginger-garlic paste for a minute and crushed tomato,onion and gr chilli and add turmeric cook till oil ozzes out add rest of spices mixed in water add poatoes. and cauliflower Also salt. Fry for few minutes. Lower the heat, cover and simmer for about 15 minutes until the vegetables are cooked serve hot with naan , chapati , roti.