Basic Green Sauce

Yield:	8 Servings
Categories:	Mexican, Sauces

1	c	Onions, Chopped, 2 Med.
1/2	c	Vegetable Oil
10	oz	Fresh Spinach, Chopped
1/2	lb	Tomatillos, Coarsely Chopped
4	oz	Green Chiles, Chopped, 1 cn
2		Cloves Garlic, Crushed
1	tb	Oregano Leaves, Dried
1	c	Chicken Broth
2	c	Dairy Sour Cream