In a pan add oil as oil heats add mustard seeds, green chilli, curry leaves as they splutter then add groundnut saute it for 2min then add onion as it turns pink in colour add tomato cook them for 2min then add salt, turmeric powder mix them all together add puffed rice into it then add lemon juice mix them together cook for 1-2min and turn of the gas. Garnish it with corriender leaves Serve hot.