Well, that depends on factors like how much oil (with its added fat and calories) is used to sizzle up the chicken strips, and how much white rice or how many white-carb tortillas are along for the ride. In this fajita-style Mexican Chicken Casserole, we address the dilemma on multiple fronts, by limiting the calorie-filled oil, by working in lots of veggies, and by pumping up the fiber and protein with black beans and quinoa (instead of white rice).