Boil 1 cup of corn and mash it roughly. Also, boil 1 sweet potato and mash it. Collect mashed corn and sweet potato in a bowl. Add salt as per taste along with 2 tbsp chopped onion, 2 tbsp coriander leaves, 2 tbsp grated cheese, 2 tbsp breadcrumbs, 2 tbsp cornflour and mix well. Now add some spices like ½ tsp red chilli powder, ½ tsp roasted cumin powder, ¼ tsp chaat masala and ¼ tsp garam masala. Mix well to make a dough-like mixture. Now grease your hands a bit and make small tikkis from the mixture. Shallow fry the tikkis until crispy and serve with chutney of your choice.