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Sheet Pan Flank Steak Fajitas

Sheet Pan Flank Steak Fajitas

Flank steak is marinated and roasted along with onions and a colorful array of bell peppers.
Prep Time 10 mins
Cook Time 14 mins
Marinating Time 28 mins
Course Main Course
Servings 4


  • 1 sheet pan



  • 1 ½ tsp kosher salt
  • ½ tsp freshly cracked black pepper
  • 1 tsp cumin
  • ½ tsp paprika
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • 1 tsp chili powder
  • ¼ cup olive oil
  • 1 lime, juiced

Sheet Pan Flank Steak Fajitas

  • 1-2 lbs flank steak
  • 1 red bell pepper, sliced
  • 1 yellow bell pepper, sliced
  • 1 red onion, sliced
  • tortillas
  • toppings: avocado, sour cream, cilantro, etc.


  • Preheat your oven to 450 degrees.
  • Mix together the ingredients for the marinade in a small bowl.
  • Pour half of the marinade over the flank steak, making sure both sides are coated. Allow the steak to sit out for 30 minutes.
  • Transfer the marinated flank steak to the center of a baking sheet.
  • Arrange the peppers and onions around the outside of the flank steak. Drizzle the remaining marinade over them.
  • Roast your steak and vegetables for 12-15 minutes, or until your steak is cooked to your likeness. 130-140 is medium rare, 140-150 is medium.
  • Allow the steak to rest for at least 5 minutes before thinly slicing.
  • Serve with your favorite fajita toppings.
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