Mexican Chicken Casserole

Name: Mexican Chicken Casserole
Ingredients: 2 pounds boneless chicken thighs, skinless, cut into pieces; Kosher salt; Freshly ground black pepper; 3 tablespoons extra-virgin olive oil; 1 large onion, chopped; 4 garlic cloves, minced; 2 teaspoons ground cumin; 1 tablespoon dried oregano, crumbled; 2 tablespoons chopped chipotles in adobo; 1 (32 ounce) can whole tomatoes in juice; 2 cups shredded Mexican cheese blend