Wash and chop tomatoes into small pieces

In a Kadai take 1 tsp oil, add tomatoes, salt and let it cook till the tomatoes get nicely cooked and mashed. Add the tamarind extract and let it sit.

Next in pan add few drops of oil, roast the mustard, dry red chillies, and methi. Allow to cool and powder to a fine powder once cooled down.

Pulse the tomatoes to a paste,

Heat the oil till smoking point, switch off and add the garlic cloves, mustard powder to it and allow to come to cool down.

Once the oil is cooled add to the tomato paste. Combine everything well and store in an airtight container.