Take crumbled paneer in to a bowl, then add roasted cumin powder, add tomatoes, black pepper, lemon juice, chaat masala, coriander leaves, salt to taste and mix it well..

Take bread slice and apply butter to both sides of bread, now add stuffing and spread it evenly.
Now top it with other slice of bread.

Roast from both the sides until it gets nice crust...Now sandwich is ready to serve...