Method
Marinate prawns with above ingredients for 1 hr.
Heat little oil. Add the marinated prawns
in it and stir it till prawns are well fried. Then add puree of 2
tomatoes and cook it till tomatoes become tender. Add two cups of water
and cook it on low heat till prawns become tender and gravy becomes
thick.
Brown Vinegar: In 2 cups of water
add 5 cloves, 1 inch piece of cinnamon and 5 big cardamoms. Boil it for
15-20 minutes. Turn off the fire and add 2 table spoons of white vinegar
and 2 table spoons of caramel syrup (In a bowl add 2 tbsp of sugar and 2
tbsp of water. Keep it on stove without stirring. When sugar starts to
burn add 2 tbsp of water)