In a bowl, add onions and tomatoes, potatoes, corns, salt, tomato sauce, Sandwich masala and schezwan sauce and mix all well. Now mixture is ready. Keep it aside.

Now take bread slice and apply butter & chutney on it.

Now Put the mixture over it. Put another slice and cover up the mixture.

Heat a pan. Put butter in it and on the Sandwich.Roast it till golden brown colour.

Serve hot with tomato sauce or schezwan sauce and chutney.