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Juicy Grilled Steak Fajita Foil Packs

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A quick and easy grilled steak fajita recipe cooked in foil packs for juicy, tender steak and perfectly roasted peppers and onions with minimal cleanup.

Ingredients

Scale
  • 1 pound flank or skirt steak, thinly sliced against the grain
  • 2 medium bell peppers (mixed colors: red, green, yellow), sliced into strips
  • 1 large yellow or white onion, sliced thin
  • 2 tablespoons olive oil
  • 1 teaspoon garlic powder
  • 1 tablespoon chili powder
  • 1 teaspoon cumin
  • 1 teaspoon smoked paprika (optional)
  • Salt and pepper to taste
  • Juice of 1 lime
  • Fresh cilantro, chopped (optional)
  • Warm flour or corn tortillas for serving

Instructions

  1. Slice the steak thinly against the grain for tenderness.
  2. Slice the bell peppers and onion into thin strips.
  3. Toss the sliced peppers and onions with 1 tablespoon olive oil, salt, and pepper in a bowl; set aside.
  4. In another bowl, mix the sliced steak with remaining olive oil, garlic powder, chili powder, cumin, smoked paprika, salt, and pepper until evenly coated.
  5. Tear off four large sheets of heavy-duty aluminum foil (about 12×18 inches each).
  6. Divide the steak and veggie mixture evenly among the foil sheets, placing steak on the bottom and veggies on top.
  7. Fold the foil up and seal tightly, leaving a little room inside for steam circulation.
  8. Preheat grill to medium-high heat (about 400°F).
  9. Place foil packs on grill grates and cook for 7-10 minutes per side, flipping carefully with tongs halfway through.
  10. Check one pack to ensure steak is cooked to desired doneness and veggies are tender but crisp.
  11. Remove all packs from grill, squeeze fresh lime juice over the top, and sprinkle with chopped cilantro.
  12. Serve hot with warm tortillas and your favorite toppings such as sour cream, shredded cheese, or guacamole.

Notes

Use heavy-duty foil to prevent leaks or tears. Double wrap foil packs if cooking for a crowd or worried about leaks. Thinly slicing steak ensures tenderness and quick cooking. Watch grill closely to avoid burning. Lime juice brightens flavors and balances smoky, spicy notes. If no grill is available, bake foil packs at 425°F for 20-25 minutes or cook in a hot cast iron skillet.

Nutrition

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