Quick Steak Fajitas

Quick Steak Fajitas🍖 Main

This speedy dish features tender flank steak paired with a from-scratch spice blend, prepared and served in just 20 minutes.

By Marcus Rivera, Kitchen Tips Editor

Shared by the Home Cook Assistant community ยท Reviewed for clarity

Prep: 5 minCook: 15 minServes: 10
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There is a quiet confidence to a dish like quick steak fajitas that comes from knowing every element has a purpose. This is not just another variation on a familiar idea. It is a well balanced plate where 2 tsp ground cumin, 2 tsp chili powder come together in a way that feels both comforting and intentional, the kind of meal that makes a regular weeknight feel a little more cared for. Whether you are cooking for family, hosting friends, or simply treating yourself to something made with attention, this recipe rewards you with layers of flavor that belie how approachable it really is.

You will want to pay attention to two small details that make a big difference here. First, Read through the steps once before you start and have everything measured and within reach. A calm setup prevents the rushed mistakes that happen when you are chopping while something is already in the pan. Second, Season in layers rather than all at once. A pinch when you add the aromatics, another when the main ingredients go in, and a final adjustment at the end builds depth that one big addition at the start cannot match. These are not fussy chef tricks. They are the practical habits that separate a good version of this dish from a great one, and once you do them a few times they become second nature.

Serve it as written the first time, then make it yours. Swap the herbs for what you have, add a handful of greens at the end, or turn up the heat with a pinch of chili flakes. The base technique stays the same while the flavors shift to match your pantry. If this is your first time with quick steak fajitas, this speedy dish features tender flank steak paired with a from-scratch spice blend, prepared and served in just 20 minu that the process is forgiving and the results are consistently satisfying. It is the kind of recipe that earns a permanent spot in your rotation, not because it is complicated, but because it is reliably delicious and adaptable to what you have on hand.

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Ingredients

    For the Seasoning

    • 2 tsp ground cumin
    • 2 tsp chili powder
    • 1 tsp onion powder
    • 1 tsp salt
    • 1 tsp crushed red pepper flakes

    For the Fajitas

    • 1 1/2 lb flank steak, thinly sliced against the grain
    • 2 tbsp olive oil
    • 3 multi-color bell peppers, sliced
    • 1 red onion, sliced
    • 8 oz sliced mushrooms
    • 2 cloves garlic, minced
    • 1 tbsp Worcestershire sauce
    • 1/4 cup lime juice (about 2 limes)
    • 10 (6-inch) flour tortillas, for serving

    Nutrition (Per 10 servings)*

    241
    Calories
    19g
    Protein
    22g
    Carbs
    9g
    Fat
    2g
    Fiber
    506mg
    Sodium

    * AI-estimated values only โ€” not a substitute for professional nutrition labeling.

    Instructions

      Prepare the Seasoning

      1. In a small bowl, stir together the ground cumin, chili powder, onion powder, salt, and crushed red pepper flakes. Set aside.

      Prepare the Ingredients

      1. Thinly slice the flank steak against the grain. Slice the bell peppers, red onion, and mushrooms. Mince the garlic.

      Cook the Vegetables

      1. Heat a large skillet over high heat. Add the olive oil, let heat for a minute, and then add the sliced bell peppers, onion, and mushrooms. Cook until the vegetables are tender-crisp, about 7 minutes, stirring frequently.
      2. During the last two minutes of cooking add in half of your seasoning mix and the minced garlic. Cook an additional 1 to 2 minutes. Remove the vegetables from the pan and set aside on a plate or in a bowl.

      Cook the Steak

      1. Return the skillet to high heat. Add the thinly sliced flank steak to the hot skillet. Sprinkle the remaining fajita seasoning and Worcestershire sauce over the steak. Cook, tossing constantly, for 2 to 3 minutes for medium-rare doneness (cook for an additional 3 to 4 minutes if you prefer well-done steak).

      Combine and Serve

      1. When the steak is cooked, add the cooked vegetables back to the skillet. Drizzle with lime juice and toss everything together to combine.
      2. Serve the steak fajitas on warm flour tortillas. Add optional toppings like sour cream, cilantro, guacamole, or salsa.

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