No need for the scorching hot platters you see in restaurantsthese easy chicken fajitas are made right in your oven A virtually universal favorite, these baked chicken fajitas combine a blend of mexican seasonings and the essential onions and bell peppers that help fill up your tortilla with flavor. Baking chicken fajitas in the oven not only makes your life easier, it also keeps your chicken juicy, develops the flavors of the seasonings and roasts the onions and peppers to melty tenderness.