6 (6-inch) corn tortillas, preferably a little old and dried out
1/4 cup grapeseed oil, peanut oil, other high smoke-point oil
1/2 cup chopped onion
2 cloves garlic, minced
1 medium Anaheim, poblano or jalapeño chile, seeded, veins removed, chopped (Depending on the hotness and flavor desired. You can also mix chiles - 1 Anaheim and a half jalapeño.)
4 cups chicken broth or homemade chicken stock
1 can (14.5 oz) diced tomatoes, undrained (recommended Muir Glen fire-roasted)
1/2 teaspoon coarse salt (kosher or sea salt)
1 1/2 cups shredded cooked chicken
1 ripe avocado
1/2 cup (2 oz) shredded Monterey Jack cheese (or mild cheddar)
Chopped fresh cilantro
1 lime, cut into wedges