Sri Lankan Prawn And Tomato Curry - cooking recipe

Ingredients

1 tablespoon oil
1 small onion, chopped
2 lbs tomatoes, peeled and chopped
1/2 teaspoon chili powder
1/2 teaspoon turmeric
1/4 teaspoon ground ginger
1 tablespoon tamarind paste
3 cups coconut milk
3 garlic cloves, chopped
1 1/2 lbs uncooked prawns, peeled

Preparation

Heat the oil in a pan and fry the onion till golden.
Add all of the ingredients EXCEPT THE PRAWNS, simmer and cook till reduced by 1/3rd.
Add the prwns and cook gently till they are cooked.