Skip to Content

Sirloin Steak Fajita Skillet Recipe

Whether you’re planning a festive family dinner or a quick and satisfying weeknight meal, this Sirloin Steak Fajita Skillet is a surefire hit. Packed with colorful bell peppers and savory sirloin steaks, this dish is not only visually appealing but also bursting with flavor. Plus, it’s keto-friendly, making it a perfect choice for those on a low-carb diet.

Sirloin Steak Fajita Skillet

A vibrant and delicious one-pan meal.


  • 2 packages sirloin tender steaks
  • 1 each green, red, and yellow bell pepper
  • 1 medium sweet onion
  • 2 tablespoons cornstarch (which will mostly cook off)
  • Taco Tuesday seasoning
  • 3/4 cup water


  1. Slice the sirloin steaks into thin strips.
  2. Cut the bell peppers and sweet onion into thin strips.
  3. In a large skillet, heat a bit of oil over medium-high heat.
  4. Add the sliced sirloin steaks to the skillet and cook until browned.
  5. Remove the steaks from the skillet and set aside.
  6. In the same skillet, add the bell peppers and onion, cooking until they begin to soften.
  7. Sprinkle the cornstarch over the vegetables, stirring well to combine.
  8. Return the sirloin steaks to the skillet and add the Taco Tuesday seasoning.
  9. Pour in the water and stir everything together.
  10. Cook until the sauce has thickened and the vegetables are tender.

Breakdown of Ingredients and Average Carb Content

  • Sirloin tender steaks: 0g carbs
  • Green, red, yellow bell peppers: 3g net carbs per pepper
  • Sweet onion: 4g net carbs
  • Cornstarch: 7g carbs per tablespoon (mostly cooks off)
  • Taco Tuesday seasoning: 0g carbs
  • Water: 0g carbs

Total Carbs per Serving: Approximately 14g, varies with different products used.

Savor the Sizzle

This Sirloin Steak Fajita Skillet is a delightful combination of tender beef and vibrant vegetables, seasoned to perfection. It’s a versatile dish that fits seamlessly into your keto lifestyle, offering both taste and nutrition. Enjoy this flavorful fajita skillet any day of the week, and savor the sizzle!

Credit to gogas2 on Reddit

This site uses Akismet to reduce spam. Learn how your comment data is processed.

This site uses Akismet to reduce spam. Learn how your comment data is processed.