Hot and Sour Shrimp

Ingredients

 * 1 pound. shrimps, cleaned and de-veined
 * 2 onions
 * Blend together to a smooth paste
 * 1 small piece ginger
 * 10 flakes garlic
 * 3-4 black peppercorns
 * 1 tsp cumin seeds
 * 6 red chillies
 * 1/2 tsp turmeric powder
 * 1/2 cup thick tamarind
 * juice or 2 tablespoon vinegar
 * Salt to taste
 * Cooking oil

Directions

 * 1) Slice with a sharp knife and fry the onions in a pan until done. Add the ground masala and fry till the oil begins to separate.
 * 2) Now add the shrimps and salt and some water and simmer for a while. Bring to a boil.
 * 3) Add more vinegar if required and boil till done.