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A black skillet full of flank steak fajitas, tortillas, and avocado.
3.58 from 33 votes

Easy Steak Fajitas Recipe

This Easy Steak Fajitas recipe is made with sliced flank steak that is coated in the best steak fajita marinade of homemade taco seasoning, lime juice, and a touch of honey.  You'll learn how to make steak fajitas that are gluten-free, dairy-free, Paleo and can be served as tacos or in a burrito bowl! 

Course Dinner, Main Course
Cuisine Mexican
Prep Time 25 minutes
Cook Time 20 minutes
Total Time 45 minutes
Servings 4 servings
Calories 345 kcal
London Brazil


Steak Fajita Marinade:

  • 2 Tbsp. taco seasoning mix
  • 1 Tbsp. honey
  • 2 ½ Tbsp. olive oil divided
  • 1 Tbsp. soy sauce gluten-free, or tamari sauce
  • 1 Tbsp. lime juice
  • 1 tsp. Worcestershire sauce gluten-free
  • 1 lb. flank steak cut into thin slices against the grain

Steak Fajitas:

  • 1 ½ Tbsp. olive oil
  • 2 bell peppers red, green, or yellow, thinly sliced
  • 1 red onion thinly sliced
  • ½ tsp. salt to taste
  • ¼ tsp. pepper to taste
  • Corn tortillas optional
  • Rice or cauliflower rice optional


  1. In a medium-sized bowl combine taco seasoning mix, honey, oil, soy sauce, lime juice, and Worcestershire sauce. Whisk to combine.
  2. Add sliced flank steak and marinade to a large bowl or a gallon-sized ziplock bag. Toss steak until completely coated and marinade in the refrigerator for at least 20-30 minutes or up to overnight.
  3. In a large cast-iron skillet over medium-high heat add 1 ½ tablespoons of oil with sliced bell pepper and onion. Saute for 6-8 minutes or until vegetables are tender and slightly charred.
  4. Remove vegetables form the skillet and add half of the sliced steak, letting any excess marinade drip off before adding it to the skillet.
  5. Cook steak over medium-high heat for 5-7 minutes, or until cooked through. Remove steak from skillet and repeat with remaining marinaded steak.
  6. Add vegetables and steak back to skillet and cook over medium heat until everything is warmed up.
  7. Serve steak fajitas as a taco with avocado and cilantro or in a bowl with rice or cauliflower rice.
  8. Enjoy!

Recipe Notes

  • Nutrition facts are calculated without any toppings, tortillas, or rice.
  • To make this recipe Whole30 simply substitute coconut liquid aminos for the soy sauce and leave out the honey or replace it with liquid stevia extract.
Nutrition Facts
Easy Steak Fajitas Recipe
Amount Per Serving
Calories 345 Calories from Fat 189
% Daily Value*
Fat 21g32%
Saturated Fat 4g25%
Cholesterol 68mg23%
Sodium 1118mg49%
Potassium 562mg16%
Carbohydrates 14g5%
Fiber 3g13%
Sugar 8g9%
Protein 26g52%
Vitamin A 2556IU51%
Vitamin C 82mg99%
Calcium 34mg3%
Iron 3mg17%
* Percent Daily Values are based on a 2000 calorie diet.