1: Gather all the ingredients: Lays, onion, tomato, coriander leaves, and chaat masala.
2: Chop the onion, tomato, and coriander leaves finely.
3: In a bowl, combine the chopped onion, tomato, and coriander leaves.
4: Add the chaat masala and mix well.
5: Serve the mixture over Lays chips and enjoy.