1. Wash crabs, pull the top shell from the body.
2. Discard the stomach bag attached to the shell below the eyes.
3. Discard greyish white dead man's fingers and wash well.
4. Cut each crab into 4 pices.
5. Wash crab well.
6. Grind spices with coconut into a fine paste.
7. Heat oil and fry spices well.
8. Add crabs and fry.
9. Add chopped tomatoes water and cook for 2 minutes.