(original recipe below)
90g black mustard seeds
250g chopped fresh ginger
500g malt vinegar
125 chopped garlic
60g green chillies (seeds removed if wished)
2kg ripe tomatoes chopped finely
250ml oil
30g tumeric powder
90g cumin powder
60g chilli powder
250g brown sugar
60-90g salt
Method:
Mince ginger, garlic & chillies with 50g vinegar.
Heat oil until very hot, add mustard, turmeric, cumin, chilli powder. Stir as you cook for 5 minutes. Add garlic, ginger and chilli and cook a further 5 minutes.
Add tomatoes, salt, vinegar and sugar.
Cook at a simmer, for 60-90 minutes.
It is done when the oil comes to the top.