Goan Pork Vindaloo in Pungent Brown Sauce

Yield:	1 Servings
Categories:	Pork, Indian

2	lb	Boneless pork shoulder
1 1/2		Piece tamarind pulp (see note)
14		Dried red chile peppers, seeded, coarsely chopped
1 1/2		Sticks cinnamon
20		Cloves teaspoons Coriander seeds
2	ts	Cumin seeds
2	ts	Black mustard seeds
3/4	ts	Black pepper corns
2	tb	Minced fresh ginger
2	tb	Minced garlic
1/2	c	Cider vinegar
1/2	c	Peanut oil
2		Onions, chopped
		Salt