West Anglo Indian Curry Sauce

Yield:	2 Servings
Categories:	Indian

2	tb	Mild vegetable oil
1	c	Coarsely chopped onion
1		One-inch piece fresh ginger; peeled
1 1/2	lb	Red-ripe tomatoes; cored, quartered
1/4	c	Chopped cilantro
1/2	ts	Cayenne pepper
1	ts	Salt
1 1/4	ts	Garam masala or curry powder