4 teaspoons peanut oil, divided |
4 (4-ounce) skinless, boneless chicken thighs |
1 (4-ounce) skinless, boneless chicken breast |
7 1/2 cups sliced onion (about 3 medium) |
1/2 cup chopped celery |
3 garlic cloves, chopped |
2 cups water |
2 (14 1/2-ounce) cans fat-free, less-sodium chicken broth |
1 cup frozen whole-kernel corn |
2 tablespoons chili powder |
1 tablespoon ground cumin |
1 (28-ounce) can tomatoes, drained and chopped |
2 (5.25-ounce) cans chopped green chiles |
1 finely chopped pickled, seeded jalapeño pepper |
4 (6-inch) corn tortillas, cut into triangles |
5 tablespoons low-fat sour cream |
cilantro sprigs (optional) |