Chop the tomatoes into tiny pieces. Grate the jaggery. Pound the ginger, garlic and green chili.
Heat some oil in a pan. add the mustard seeds and dried red chili. Once it pops add the ginger garlic chili paste to it. Saute to 1 min till fragrant.
Now add the tomatoes to it, add salt and cook on high till it starts getting mushy.
Now add the jaggery powder and dates and cook on low heat till thick and cooked well.
Adjust sweetness according to your own taste.