Add cheese, chopped garlic, egg, salt, baking powder, milk or water, mustard paste, black pepper and nigella seeds in a bowl.
Mix well.
Spread this cheese mixture on one slice of bread.
Now put another slice of bread over it and press gently.
Now slice off the edges of bread.
Heat a little oil in a drying pan and shallow fry the sandwiches till crisp and golden.
Serve delicious bread square with ketchup and french fries.
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