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Keto Beef Fajitas Recipe

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4.9 from 123 reviews

These Keto Beef Fajitas are a low-carb, flavorful twist on a classic Mexican dish. Thinly sliced flank steak is quickly seared and combined with sautéed bell peppers, onions, and spices, then served wrapped in crisp lettuce leaves for a fresh and healthy meal option perfect for keto and low-carb diets.

Ingredients

Beef:

  • 1 lb (450g) flank steak, sliced thinly
  • 2 tablespoons olive oil

Vegetables and Flavorings:

  • 1 bell pepper, sliced (any color)
  • 1 medium onion, sliced
  • 2 cloves garlic, minced
  • 1 tablespoon chili powder
  • 1 teaspoon cumin
  • 1 teaspoon paprika
  • Salt and pepper to taste

To Serve:

  • Lettuce leaves (for wrapping)
  • Optional toppings: avocado, sour cream, salsa

Instructions

  1. Cook the beef: Heat olive oil in a large skillet over medium-high heat. Add the thinly sliced flank steak and cook until browned, about 3-4 minutes. Remove the beef from the skillet and set aside.
  2. Sauté the vegetables: In the same skillet, add the sliced bell pepper, onion, and minced garlic. Cook, stirring frequently, until the vegetables are softened and slightly caramelized, about 5 minutes.
  3. Combine and season: Return the cooked beef to the skillet with the vegetables. Sprinkle in chili powder, cumin, paprika, salt, and pepper. Stir well to combine and cook for another 2-3 minutes until the mixture is heated through and fully coated with spices.
  4. Serve: Spoon the beef and vegetable mixture into fresh lettuce leaves. Add optional toppings like avocado slices, sour cream, and salsa if desired. Wrap and enjoy your keto-friendly fajitas!

Notes

  • Use a very sharp knife to slice the flank steak thinly against the grain for the best texture.
  • You can substitute the bell pepper with any color or even a mix for more flavor and color variety.
  • Adjust the chili powder and spices according to your heat preference.
  • Lettuce wraps make this recipe keto-friendly and low-carb. For a non-keto option, serve with low-carb tortillas or traditional tortillas.
  • Optional toppings like avocado add healthy fats, while sour cream and salsa contribute additional flavor and texture.

Find it online: https://alinacooks.com/keto-beef-fajitas-recipe/