Finely chop the onions.

Peel and deseed the tomatoes, then finely chop them.

In a large bowl, combine the mutton, chopped onions, and chopped tomatoes.

Add black pepper, coriander seeds, and salt to taste.

Mix all the ingredients thoroughly until well combined.

Shape the mixture into flat, round kebabs.

Heat cooking oil in a pan for grilling/shallow frying.

Place the kebabs in the pan and cook until golden brown and cooked through.

Serve hot with tomato slices.