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Skillet Flat Iron Steak Fajitas

This dish features marinated flat iron steak sliced into strips and seared until tender and flavorful. It is cooked with sautéed peppers and onions to create a colorful, tender, and slightly caramelized mixture with a smoky aroma, served as a sizzling skillet of flavorful beef and vegetables.
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Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Servings: 4
Course: Main Course
Cuisine: Mexican
Calories: 350
Ingredients Equipment Method Notes

Ingredients
  

  • 1 lb flat iron steak about 1 inch thick
  • 2 bell peppers bell peppers preferably mixed colors, sliced into strips
  • 1 large onion sliced into strips
  • 3 cloves garlic minced
  • 2 tsp smoked paprika for smoky flavor
  • 1 tsp cumin ground
  • 2 tbsp olive oil divided, for cooking
  • to taste salt and pepper season to preference

Equipment

  • Skillet or cast-iron pan
  • Cutting Board

Method
 

  1. Pat the steak dry and slice it into thin strips against the grain. Set aside.
  2. Heat one tablespoon of olive oil in a skillet over high heat until shimmering and slightly wispy with smoke.
  3. Add the steak strips to the hot skillet, spreading them out in a single layer. Sear without moving for about 2-3 minutes, until the edges start to brown and the sides are no longer pink.
  4. Flip the steak pieces and cook for another 2-3 minutes until evenly browned and cooked through. Remove the steak from the skillet and set aside.
  5. Add the remaining tablespoon of olive oil to the same skillet, then toss in the sliced peppers and onions. Sauté for about 5-7 minutes, stirring occasionally, until the vegetables are tender and lightly caramelized.
  6. Add the minced garlic, smoked paprika, and cumin to the vegetables, stirring constantly for about 30 seconds until fragrant.
  7. Return the cooked steak to the skillet with the vegetables, tossing everything together so the flavors meld and the steak is reheated—about 1-2 minutes.
  8. Taste and season with salt and pepper as needed. Serve immediately, straight from the skillet for a sizzling presentation.

Notes

For even more flavor, marinate the steak with spices and a splash of lime juice for 30 minutes before cooking.