Heat the oil in a 12-inch skillet over medium-high heat. Add the chicken and cook until well browned, stirring often. Stir the pepper and onion in the skillet and cook until they're tender-crisp.
Recipes like our Chicken Spaghetti Casserole and Cheesy Black Bean & Quinoa Skillet Casserole are healthy ... This chicken fajita casserole combines classic fajita veggies and chicken thighs ...