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Slow Cooker Steak Fajitas

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5 from 41 reviews

Slow cooker steak fajitas is a simple recipe that only has 5 ingredients: beef, onions, bell peppers, tomatoes, and fajita seasoning. Easy to make and aromatic while it cooks, this steak fajita recipe will become an instant favorite.  Instructions to make this easy fajita meal in the Instant Pot are also included.

Ingredients

Units Scale
  • 2 pounds beef, sliced into thin strips
  • 2 large bell peppers, sliced
  • 1 large onion, sliced
  • 15 ounces diced tomatoes with juices or salsa
  • 1/3 cup fajita seasonings (see below for homemade blend)
  • 1 tablespoon oil (for Instant Pot only)
  • 1/4 cup beef broth or water (for Instant Pot only)
Homemade Fajita Seasoning
  • 2 tablespoons chili powder
  • 1 tablespoon cumin
  • 1 1/2 teaspoons salt
  • 1 teaspoon pepper
  • 1 teaspoon oregano
  • 1 teaspoon paprika
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder

Instructions

Slow Cooker

  1. Add all ingredients  to the slow cooker. Stir to mix well.
  2. Cook HIGH 2-3 hours, LOW 4-6.

Instant Pot 

  1. Turn on the pressure cooker and select sauté. Once hot add oil and beef to the pot. Cook 2-4 minutes or until beef is browned. Remove beef & set aside. Drain excess grease if needed.
  2. Add onions & bell peppers. Cook 3-5 minutes or until vegetables are soft. Pour in broth or water and deglaze the bottom of the pressure cooker by scraping all the bits off with a wooden spoon.
  3. Add beef back to the pot along with diced tomatoes and homemade fajita seasonings. Stir to mix well.
  4. Close lid and seal valve. Set high pressure for 9 minutes. When cooking time is complete, quick release the pressure. Stir & serve.

Nutrition

Find it online: https://fitslowcookerqueen.com/slow-cooker-steak-fajitas/

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