Craving a fiesta of flavor but short on time? Look no further than Easy Slow Cooker Chicken Fajitas! Just toss a few ingredients into your slow cooker, and hours later, you'll have tender, juicy chicken bursting with zesty spices, ready to pile high into warm tortillas. Healthy, unbelievably easy, and packed with authentic fajita taste, this is destined to become a weeknight staple. As a busy parent who cherishes family dinners, but still needs to get dinner on the table quickly, this recipe has been a lifesaver.
Why You Will Love This Recipe
Growing up, my abuela always made the most incredible, authentic Mexican dishes. Her secret? Time and love, of course! While I can't replicate abuela's magic exactly, these Easy Slow Cooker Chicken Fajitas get pretty darn close. The magic of the slow cooker infuses the chicken with an even deeper, richer flavor than you'd achieve in a pan. It's a simple way to capture that authentic, slow-cooked taste without spending all day in the kitchen.
Ingredients
- 2 lbs boneless, skinless chicken breasts
- 1 large onion, sliced
- 2 bell peppers (any color), sliced
- 1 packet fajita seasoning mix
- 1 teaspoon chili powder
- 1/2 teaspoon cumin
- 1/4 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1 (14.5 oz) can diced tomatoes, undrained
- 1/4 cup chicken broth (or water)
- Juice of 1 lime
- Your favorite toppings: tortillas, sour cream, salsa, guacamole, shredded cheese
Step-by-Step Instructions for Making the Recipe
- Prep: Slice the onions and bell peppers.
- Layer: Place the sliced onions and bell peppers in the bottom of your slow cooker.
- Season Chicken: Place the chicken breasts on top of the vegetables. Mix fajita seasoning, chili powder, cumin, garlic powder and onion powder in a bowl. Sprinkle dry rub mixture over chicken in slow cooker.
- Add Liquids: Pour diced tomatoes and chicken broth over the chicken. Squeeze lime juice over the ingredients.
- Cook: Cover and cook on low for 6-8 hours or on high for 3-4 hours, or until chicken is cooked through.
- Shred: Once cooked, shred the chicken with two forks directly in the slow cooker. Stir to combine with the vegetables and juices.
- Serve: Serve in warm tortillas with your favorite toppings and enjoy.

Easy Slow Cooker Chicken Fajitas
Ingredients
Equipment
Method
- Slice the onions and bell peppers.1 large onion, sliced, 2 bell peppers (any color), sliced
- Place the sliced onions and bell peppers in the bottom of your slow cooker.1 large onion, sliced, 2 bell peppers (any color), sliced
- Place the chicken breasts on top of the vegetables. Mix fajita seasoning, chili powder, cumin, garlic powder and onion powder in a bowl. Sprinkle dry rub mixture over chicken in slow cooker.2 lbs boneless, skinless chicken breasts, 1 packet fajita seasoning mix, 1 teaspoon chili powder, 1/2 teaspoon cumin, 1/4 teaspoon garlic powder, 1/2 teaspoon onion powder
- Pour diced tomatoes and chicken broth over the chicken. Squeeze lime juice over the ingredients.1 (14.5 oz) can diced tomatoes, undrained, 1/4 cup chicken broth (or water), Juice of 1 lime
- Cover and cook on low for 6-8 hours or on high for 3-4 hours, or until chicken is cooked through.
- Once cooked, shred the chicken with two forks directly in the slow cooker. Stir to combine with the vegetables and juices.2 lbs boneless, skinless chicken breasts
- Serve in warm tortillas with your favorite toppings and enjoy.Your favorite toppings: tortillas, sour cream, salsa, guacamole, shredded cheese