Steps
1. In a bowl, combine the mashed potato, chopped onions, green chili, coriander leaves, cumin powder, red chili powder, salt, and cornflour.
2. Mix all ingredients thoroughly to form a smooth dough-like mixture.
3. Divide the mixture into small portions and shape each into a flat round patty.
4. Heat oil in a frying pan over medium heat.
5. Fry each patty for 3-4 minutes on each side or until golden brown and crispy.
6. Remove and drain on paper towels.
7. Serve hot with chutney or ketchup.