Clean the crab and set it ready. In a pan dry roast the pepper corns, Fennel seeds and fenugreek seeds till u get a nice aroma. Cool down and grind it to a coarse powder and set it aside.
Blanch tomatoes for the rasam.Heat a pan with water and drop in the tomato and cook till the skin of the tomato start to peel.
Remove the skin of the tomato and mash it with the hands. Extract tamarind juice and set aside. Heat a pan with oil. To this add Mustard seeds, Cumin seeds, Crushed Garlic, Curry Leaves and chopped small onions.
Saute well. Next add in the roasted and ground masala powder along with rasam powder and saute for few mins.
Next add the crushed tomato and tamarind water to the pan and mix well. Add the required salt.
Finally add in the cleaned crab .Mix well and cover cook in a low flame till the crab is cooked completely. Switch off the flame and add in a fistful of coriander leaves and keep the vessel closed till you serve.
Notes
· Serve hot with Rice.· Add half tsp of Pepper powder if you prefer the taste.