1. In a bowl, add the ingredients for marination, next slide in the crab pieces, mix well.
2. Keep marinated for 15-20 minutes in the refrigerator.
3. In a blender, make a paste of onion and tomatoes separately.
4. In a large non stick skillet, heat 3 tbsp oil, add bay leaves and cloves.
5. Next add the onion paste and saute for about a minute or so till it turns brownish, next add the tomato paste and cook for another minute.
6. Then add the turmeric and red chili powder along with tomato ketchup to the pan and cook by constantly stirring till the raw smell vanishes and the spices starts to leave oil.
7. Lastly add the marinated crabs to this mixture, mix well with the rest of the spices by constantly stirring, cover and vapor boil for 5 to 7 minutes.
8. In this recipe, you should not add water at any point of time.
9. Serve hot with rice or paratha.

Recipe: Only Fish Recipes