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Philly-Style Steak and Pepper Foil Packets Recipe

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3.9 from 34 reviews

These Philly-Style Steak and Pepper Foil Packets offer a delicious and easy way to enjoy the classic flavors of a Philly cheesesteak cooked outdoors on the grill. Tender thinly sliced sirloin steak is seasoned with herbs and spices, combined with sweet onions and green bell peppers, all wrapped in foil and grilled to perfection. Finished with melted provolone cheese, this recipe is perfect for quick weeknight dinners or backyard BBQs.

  • Total Time: 23 minutes
  • Yield: 4 servings

Ingredients

Steak and Seasoning

  • 1 Pound sirloin steak (thinly sliced)
  • 1 Teaspoon salt
  • 1 Teaspoon oregano (dried)
  • 1 Teaspoon basil (dried)
  • ½ Teaspoon ground black pepper
  • 2 Tablespoons olive oil (divided)

Vegetables

  • 1 Cup sweet onion (sliced)
  • 2 Cups green bell peppers (sliced)

Cheese

  • 4 slices Provolone cheese

Other

  • 4 pieces aluminum foil (about 12 inches wide each)

Instructions

  1. Preheat the BBQ: Preheat your grill or BBQ to medium/high heat, approximately 425°F. If cooking over an open fire, make sure the fire is well established and hot enough for grilling.
  2. Prepare foil pieces: Cut four pieces of aluminum foil, each about 12 inches wide, and set them aside on a clean surface for assembling the packets.
  3. Season the steak: In a mixing bowl, combine the thinly sliced sirloin steak with salt, dried oregano, dried basil, and ground black pepper. Toss thoroughly to evenly coat all the meat with the seasonings.
  4. Assemble foil packets: On each piece of foil, drizzle ½ teaspoon of olive oil. Then add a quarter of the seasoned steak mixture, followed by a quarter of the sliced onions and a quarter of the sliced green bell peppers.
  5. Seal the packets: Fold and crimp the edges of the foil tightly to create sealed packets that will hold the juices and steam during cooking.
  6. Grill the foil packets: Place the foil packets on the preheated grill. Cook for 6 to 8 minutes, or until the steak reaches your preferred level of doneness and the vegetables are tender.
  7. Add cheese and finish cooking: Carefully open each foil packet and place a slice of provolone cheese on top of the hot steak and vegetables. Close the foil loosely or cover with a lid to allow the cheese to melt for 1 to 2 minutes on the grill.
  8. Serve: Once the cheese has melted, carefully remove the foil packets from the grill and serve hot directly from the foil or transfer to plates.

Notes

  • You can substitute the sirloin steak with ribeye or flank steak if preferred for different flavor and tenderness.
  • Adjust cooking time based on your desired steak doneness; thinner slices cook quickly.
  • For a spicier kick, add sliced jalapeños or crushed red pepper flakes to the foil packets.
  • If you don’t have a grill, you can cook these foil packets in a preheated oven at 425°F for about 10-12 minutes.
  • Make sure to handle foil packets carefully when opening as steam will be very hot.
  • Author: Madelynn
  • Prep Time: 10 minutes
  • Cook Time: 13 minutes
  • Category: Main Dish
  • Method: Grilling
  • Cuisine: American