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Steak Fajitas Foil Packets
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5 from 3 votes

Steak Fajitas in Foil Packets (with Video)

These Steak Fajitas Foil Packets are an easy dinner idea you can bake or grill with only 10 minutes of prep with almost no cleanup. Perfect for a mouthwatering weeknight dinner, a make-ahead camping meal or entertaining. So easy, so good!
Prep Time10 mins
Cook Time20 mins
Total Time30 mins
Course: Main Course
Cuisine: Mexican
Keyword: fajitas, steak
Servings: 6 servings
Calories: 447kcal
Author: Cindy


  • 1 lb top sirloin or beef tenderloin sliced into 1/2" strips
  • 1 large onion peeled and sliced
  • 1 large red bell pepper seeded and sliced
  • 1 large green bell pepper seeded and sliced
  • 1/2 cup fajita seasoning
  • 2 tbsp olive oil
  • salt and pepper to taste
  • 8 inch flour tortillas 6-inch size

Serving - optional

  • fresh cilantro chopped
  • sour cream


  • Preheat your oven or grill to 400°F. Set aside 6 pieces of foil approximately 12x12 inches, along with a baking sheet.
  • Place each piece of foil on a work surface, shiny side facing up.  
  • In the middle of each foil piece, place about 1/6 each of the sliced onions, bell peppers, beef, fajita seasoning, salt and pepper and olive oil.
  • Fold up the packet into a package, taking care not to puncture the foil on the bottom, and place on baking sheet.
  • Bake or grill for 20-25 minutes. Add tortillas on top for the final few minutes to heat.
  • Open foil packets and garnish with optional cilantro and sour cream. Serve and enjoy!



Calories: 447kcal | Carbohydrates: 54g | Protein: 25g | Fat: 13g | Saturated Fat: 3g | Cholesterol: 44mg | Sodium: 920mg | Potassium: 554mg | Fiber: 4g | Sugar: 7g | Vitamin A: 1230IU | Vitamin C: 60.1mg | Calcium: 126mg | Iron: 4.8mg