Slice and blend tomatoes, capsicum and pepper. Set aside

Slice onions. Put oil in a pan on medium heat. Add onions and fry till golden brown.

Add the blended mixture of tomatoes, capsicum and pepper.

While it's boiling, put tamarine in a bowl, add water. Use your hands to get the juice from tamarine.

Sieve the tamarine to get the juice and add into the pan. Add some salt.

Leave it to boil until it reduces to a thick mixture.

Serve with pilau or Biriani