Quick Tacos

Yield:	6 Servings
Categories:	Mexican

2	tb	Veg. oil
1		Med onion, chopped
1		Clove garlic
2	c	Chopped cooked chicken
2	c	Tomato puree
1		4oz can green chilies*
		Salt and pepper
6		Med corn tortillas
2	c	Shredded Monterey Jack chees
1		Large, thinly sliced avocado
		Hot salsa