Onion Chutney Recipe | Multipurpose Indian Vengaya … cool completely, and grind to a smooth paste without adding water. keep aside. in a large pan heat ¼ cup oil. add 1 tsp mustard, ½ tsp urad dal, pinch hing and few curry leaves. splutter the tempering. further, pour in prepared onion chutney and cook for 2 minutes. add in 1 tsp jaggery and …