- Heat a tablespoon of oil in a sauce pan add mustard seeds, cummin seeds, fresh curry leaves, allow them to crackle Now, add chopped onions, salt and saute it. When the onions are slightly cooked add pinch of Turmeric, ginger - garlic paste.When the onions are slightly sauted, add bell pepper (Do not cover it with a lid). And cook it for 3 to 4 minutes. Add coriander powder, coconut powder, chilli powder according to your taste. Mix Well. After 10 minutes of slow cooking, the capsicum (bell pepper) looks great and your dish is ready. Garnish it with Coriander leaves.