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Slow Cooker Chicken Fajitas

overhead shot of slow cooker chicken fajitas on a white plate garnished with cilantro, avocado, and limes

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4.6 from 7 reviews

This slow cooker chicken fajitas recipe only has 5 ingredients! Quick and tasty, you can serve these fajitas with your favorite accompaniments. Low-carb, paleo, whole30 compliant, this easy chicken recipe can also be cooked in the Instant Pot.

Ingredients

Units Scale
  • 2 pounds boneless, skinless chicken breasts, sliced into thin strips
  • 3 large bell peppers, sliced
  • 1 large onion or 2 small onions, sliced
  • 15 ounces diced tomatoes or salsa
  • 1/3 cup fajita seasonings (see below for homemade blend)
  • Salt & pepper to season the chicken
  • 3/4 cup low-sodium chicken broth (for Instant Pot only)
Homemade Fajita Seasoning
  • 2 tablespoons chili powder
  • 1 tablespoon cumin
  • 1 1/2 teaspoons salt (or more)
  • 1 1/2 teaspoon oregano
  • 1 teaspoon paprika
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1/2 teaspoon pepper

Instructions

Slow Cooker

  1. Season the chicken with salt & pepper. Add the chicken & all the other ingredients to the slow cooker. Stir to mix well.
  2. Cook HIGH 2-3 hours or LOW 4-6.

Instant Pot 

  1. Turn the Instant Pot to sauté. Once hot, add the oil, onion, and bell pepper and cook 3-5 minutes or until soft.
  2. Season the chicken with salt & pepper. Add the seasoned chicken, broth, diced tomatoes, and all the other  seasonings to the pot. Stir to mix well. Close lid and seal valve. Set high pressure and cook 8 minutes. When cooking time is complete, quick release pressure.

Notes

Do not let this sit on the WARM setting; the chicken will overcook and dry out.

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