Braised Chicken with Tomatillos and Cilantro

Name: Braised Chicken with Tomatillos and Cilantro
Ingredients: 2 Tbs. canola oil; 3 1/2 lb. (1.75 kg) assorted chicken pieces, skin on and bone in; 1 large yellow onion, finely chopped; 2 cups (16 fl. oz./500 ml) chicken broth; 3 Anaheim or poblano chiles, roasted, peeled and finely chopped; 6 garlic cloves, minced; 1 1/2 lb. (750 g) tomatillos, husked and quartered (see note above); 3 Tbs. finely chopped fresh cilantro, plus whole leaves for garnish; 1/2 tsp. ground cumin; 1 Tbs. fresh lime juice; Salt and freshly ground pepper, to taste; Warm tortillas for serving