1Roughly chop tomatoes and set aside, puree ginger, garlic and chillies with 100mls of the vinegar.
2Heat oil and and fry mustard, turmeric, cumin and chilli powder, add pureed ingredients cook cook for 5 minutes.
3Use the saute or do this on the stove top this will release the flavours.
4Add tomatoes, salt, rest of vinegar and sugar.
5Cook on high
Submitted by Chris McInnes