These slow cooker chicken fajitas are a delicious and easy way to enjoy your favorite Tex-Mex dish at home. The chicken is cooked in a flavorful sauce made with peppers, onions, and spices, and then served in tortillas with cheese and more sauce. The slow cooking process allows the flavors to meld together, resulting in a dish that is bursting with flavor. Serve these fajitas with rice and beans for a complete meal.