Firstly take a bread slice and on both breads speed butter. And on one buttered bread speed chutney and on another buttered bread spread ketchup

Now on any one one bread put two: tomatoes, onions and potatoes in circular shape.

Now put cheese as much you want and sprinkle chat masala.

Cover it with another bread. Now put butter on top of the bread.

Now on a griller or a pan melt butter and roast the both sides of bread til they turn golden brown.