Heat a pan and add some coconut oil. When the oil is hot, fry the garlic, ginger, small onion and green chilies. When the color changes, , add the tomatoes and fry. When the tomatoes raw smell goes, add the turmeric powder, chilly powder and salt and fry again. put down the pan from the gas. After 2 minutes, grind the mixture in mixer grinder. Then add roasted mustard and curry leaves.