Crab Masala/Njandu Masala Kerala style

Crab : 2 kg
Onion : 4 medium sized
Ginger : 3 tablespon
Garlic : 3 table spoon
Tomato : 4 medium sized
curry leaves : plenty
Masala powders
coriander powder : 2 1/2 tablespoon
red chilli powder : 2 table spoon
Turmeric powder : 1 teaspoon
fish masala : 2 teaspoon
garam masala : 1 teaspoon
Note: here I took all the ingredient especially powders according to my taste and quantity of crab .so you can change the spices according to your convenience
For detailed recipe visit http://malabarcookbook.wordpress.com