Whip up these scrumptious Sheet Pan Chicken Fajitas for a easy and mouthwatering weeknight dinner! Just combine chicken, peppers, onions, and all your go-to fajita seasoning onto a baking. Then, roast it all to perfection in the oven. It's as simple as that! Dig into these savory fajitas with warm tortillas, your favorite toppings like guacamole,