Chicken Fajita Tortilla Soup

Name: Chicken Fajita Tortilla Soup
Ingredients: 2 tablespoons extra-virgin olive oil; 2 packages chicken tenders, 1 1/2 to 2 pounds; 1 tablespoon coriander, a palm full; 2 tablespoons chopped fresh thyme leaves, 5 to 6 sprigs; Salt and freshly ground black pepper; 1 large onion, quartered and thinly sliced; 1 large bell pepper, quartered and thinly sliced; 1 jalapeno, seeded and thinly sliced; One 28-ounce can fire roasted diced tomatoes; 1 quart chicken stock; 1 bag white corn tortilla chips; 1 cup shredded Pepper Jack or sharp white Cheddar; 1 ripe avocado, diced; 1 lime, juiced; 4 scallions, chopped; Handful fresh cilantro leaves or fresh flat-leaf parsley, chopped