Beef Sirloin Fajitas Recipe

Beef sirloin fajitas that is perfect for those craving for a rich and delicious taste of beef with bell pepper and onion.

Beef Sirloin Fajitas Recipe

Prep Time: 5 minutes

Cook Time: 16 minutes

Total Time: 21 minutes

This beef sirloin fajitas recipe is one of the quickest to make. It doesn't use the normal flank steak for fajitas. Meat is slightly more tender and juicier. It also doesn't require marinating.

Kitchen Utensils You Will Need in Making This Fajitas

In this recipe, we use the following kitchen utensils.

  • Tongs which is used in mixing vegetables
  • Nonstick skillet
  • Small bowl to mix all dry ingredients
  • Serving plate


  • 1 tablespoon black pepper
  • 1 tablespoon salt
  • 1 tablespoon chili powder
  • 1 teaspoon garlic powder
  • 1 large bell pepper
  • 2 pieces of large sirloin steak
  • 1 tablespoon of cooking oil
  • 6-8 pieces of tortillas


  1. Heat the pan in medium high temperature.

  2. Prepare all dry ingredients and combine. Then rub the seasoning mixture to the sirloin steak. Only use half of the seasoning mixture, the remaining will be used for the vegetables.

    Beef Sirloin Fajitas Recipe
  3. When pan is hot enough, add one tablespoon of oil then immediately add the steak. Cook for 7-10 minutes each side depending on the thickness of your sirloin steak and how rare you prefer your meat.

    Beef Sirloin Fajitas Recipe
  4. Remove immediately from heat and let it rest in a room temperature plate for 10 minutes before cutting.

    Beef Sirloin Fajitas Recipe
  5. While steaks are resting, begin cooking the vegetables in the same skillet by adding the onion and bell pepper. Use the remaining half of the seasoning mixture to season the vegetables once the onions are translucent. If you feel like the bell pepper and onion is sticking to the pan, add a teaspoon of oil to the pan and turn down the heat slightly.

    Beef Sirloin Fajitas Recipe
  6. Mix and cook vegetables until tender. Remove vegetables from heat. Tip: I find that tongs work best when mixing vegetables.

    Beef Sirloin Fajitas Recipe
  7. For tortillas If you have frozen tortillas, thaw it first. Then cook it until it has brown spots on them, approximately 15-20 seconds per side. It doesn't take very long to cook and prepare tortillas. It usually puff or rice slightly and expand on the second flip. Remove from heat.

    Beef Sirloin Fajitas Recipe
  8. Assemble Fajitas. Put a tortilla in a flat plate. Add the vegetables (onion and bell pepper) and layer 4-5 slices of thinly sliced beef sirloin steak. Layer some salsa, cheese, and top or drizzle with sour cream.

    Beef Sirloin Fajitas Recipe