- Slice the tomaotes, smear turmeric and salt on them and soak them in 1 cup vinegar.Leave for about 2 hours.
- Blend together the garlic, ginger, red chillies and 3/4 of the mustard, with a little vinegar. Heat the oil and add the remaining mustard.
- When the mustard crackles, add the fenugreek. Fry for 2 minutes and then add the blended mixture and fry well for over 20 minutes.
- Add the tomatoes and the remaining vinegar. Stir continuously as the mixture comes to a boil.
- When the pickle is almost done, the oil begins to float at the top.
- Take it off the heat and let it cool. Store in a clean bottle. Can keep for a year.