Add the sliced onions and bell peppers to the slow cooker, mix them together.
Pour over the salsa.
Add the steak on one side of the slow cooker, then the chicken on the other.
Cut the lime in half and squeeze over the chicken and steak.
Sprinkle over the taco seasoning evenly.
Cook on LOW for 6 hours.
Serve on tortillas with your desired toppings.
Video
Notes
Slicing the onions and peppers thickly will help them stay more intact during the cooking time.If you want a mild fajita, use mild salsa and a mild taco seasoning.Tortillas and toppings are not included in nutritional values.