Add the paneer cubes in a bowl.
Add the mozzarella cheese and spring onions.
Add schezwan sauce onto it.
Add tomato ketchup and pepper.
mix it.
6. Add a tablespoon of butter and mix well again.
Take the white sandwich bread and apply butter on the slices.
Spread the schezwan mixture on the buttered side.
Close it with another slice such that the buttered side is on top.
Toast the sandwich and grill it until it turns golden brown.
Serve hot with ketchup or mayo