1 lb. shrimps, cleaned and de-viened
For the smooth paste :
1 small piece ginger
10 flakes garlic
3-4 black peppercorns
1 tsp cumin seeds
6 red chillies
1/2 tsp turmeric pwd
1/2 cup thick tamarind
juice or 2 tbsp vinegar
Salt to taste
Slice and fry the onions in the oil till done.
Add the ground masala and fry till the oil begins to separate.
Now add the shrimps and salt and some water and simmer for a while.
Bring to a boil. Add more vinegar if required and boil till done.