These slow cooker chicken fajitas are a healthy and delicious dinner option. Simply add chicken breasts, sliced bell peppers and onions, and fajita seasoning to your crockpot and let it cook on low for 6-8 hours. Once the chicken is cooked, shred it with a fork and serve in warm tortillas with your favorite toppings like avocado, salsa, and cilantro. This recipe is easy, flavorful, and perfect for a busy weeknight.