Smokey Chipotle Chicken Fiesta

Ingredients

• 1/4 cup olive oil
• 1/2 teaspoon freshly ground black pepper
• 5 pounds boneless, skinless chicken breasts, cut into 1-inch thick strips
• 2 tablespoons ancho chile powder
• 6 cloves garlic, minced
• 1 red onion, coarsely chopped
• 2 teaspoons cumin
• 2 teaspoons dried oregano
• 1 teaspoon salt
• 1 (7 ounce) can chipotle peppers in adobo sauce