Ingredients:

2 kgs red ripe tomatoes 
1 tablespoon oil 
1 pod garlic, minced (optional) 
1½ teaspoon turmeric powder 
2 teaspoons red chilli powder 
salt 
1 cup jaggery, crumbled 
1 bunch coriander, chopped 

Preparation:

Stand tomatoes in boiling water, skin and chop.
Heat oil and add garlic, turmeric and chilli powders making sure they do not burn. Immediately add tomatoes and simmer for long till the volume reduces by half.
Add jaggery and continue simmering till it melts.
Add salt.
Mix in the coriander. Stir.

Serve hot with khichri or as an accompaniment to moong dal and rice. 
It also tastes good as a spread on bread, or could be eaten with chapattis as a subzi.