- In a mixing bowl, take boiled sweet corn. Add finely chopped capsicum and onion to the mixing bowl. Add grated cheese,mayonnaise, tomato ketchup, pepper powder and salt to taste. Mix well combining all the ingredients nicely. Stuffing to the sandwich is ready . Keep aside. To prepare a sandwich , first, take 2bread slices. Apply green chutney nicely over them. can keep a cheese slice too over the chutney applied slice.. Spread 1-2 tbsp of prepared corn cheese stuffing and cover it with a bread slice to which we have applied green chutney. Apply butter on bread and toast on hot Tawa. Let it get golden brown and crisp on both sides. Repeat the same with the rest of the bread slices. Serve hot.