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Sheet Pan Philly Cheesesteak with Cheese Sauce Recipe

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4.1 from 6 reviews

A delicious and easy Sheet Pan Philly Cheesesteak recipe featuring thinly sliced sirloin steak, sautéed bell peppers, onions, and mushrooms roasted together on a sheet pan, topped with a creamy provolone cheese sauce, and served in toasted hoagie rolls. Perfect for a quick and satisfying weeknight meal.

  • Author: Chef
  • Prep Time: 20 minutes
  • Cook Time: 20 minutes
  • Total Time: 40 minutes
  • Yield: 6 sandwiches
  • Category: Main Course
  • Method: Baking
  • Cuisine: American

Ingredients

Steak and Vegetables

  • ¼ cup extra-virgin olive oil
  • 1 tablespoon Dijon mustard
  • ¼ cup Worcestershire sauce
  • 1 teaspoon sea salt
  • ¼ teaspoon freshly cracked black pepper
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • 1 tablespoon brown sugar
  • pounds sirloin steak, very thinly sliced
  • 1 large yellow onion, thinly sliced
  • 1 green bell pepper, thinly sliced
  • 1 red bell pepper, thinly sliced
  • ½ pound cremini mushrooms, sliced (optional)
  • 6 Hoagie rolls

Cheese Sauce

  • 2 tablespoons unsalted butter
  • 1 tablespoon flour
  • ½ cup whole milk
  • 1 teaspoon Dijon mustard
  • 4 ounces provolone cheese, roughly chopped
  • ¼ teaspoon garlic powder
  • ¼ teaspoon onion powder
  • 1 teaspoon Worcestershire sauce
  • ½ teaspoon sea salt

Instructions

  1. Preheat Oven: Preheat the oven to 425°F (220°C) and position a rack in the middle of the oven for roasting.
  2. Prepare Steak and Vegetables: In a large bowl, combine the olive oil, Dijon mustard, Worcestershire sauce, sea salt, black pepper, garlic powder, onion powder, and brown sugar until well mixed. Add the thinly sliced sirloin steak, onions, bell peppers, and optional mushrooms to the bowl, tossing everything together to coat evenly.
  3. Roast on Sheet Pan: Spread the coated steak and vegetable mixture evenly on a rimmed sheet pan. Place the pan in the preheated oven and roast for about 15 minutes, or until the vegetables have softened and the steak is cooked through.
  4. Make Cheese Sauce: While the roasting is underway, melt the unsalted butter in a small saucepan over medium heat. Sprinkle the flour over the melted butter and stir constantly for about 1 minute until a thick paste forms. Gradually whisk in the milk, ensuring it’s fully incorporated to avoid lumps. Add the Dijon mustard, chopped provolone cheese, garlic powder, onion powder, Worcestershire sauce, and sea salt. Continue whisking until the cheese melts and the sauce thickens, approximately 5 more minutes.
  5. Toast Hoagie Rolls: Once the steak and veggies are done roasting, remove the sheet pan from the oven and switch the oven setting to broil. Slice open the hoagie rolls and place them directly on the middle oven rack. Broil for 1-2 minutes until the rolls are lightly browned and toasty. Watch carefully to prevent burning.
  6. Assemble Sandwiches: Divide the roasted steak and vegetable mixture evenly among the toasted hoagie rolls. Drizzle each sandwich generously with the creamy provolone cheese sauce. Serve immediately while warm and enjoy your Sheet Pan Philly Cheesesteak.

Notes

  • For best results, use very thinly sliced sirloin steak for quick and even cooking.
  • The mushrooms are optional, but they add great flavor and texture.
  • Watch the hoagie rolls carefully while broiling to prevent burning.
  • You can substitute provolone with other melty cheeses such as mozzarella or American cheese if preferred.
  • This recipe is great for meal prep; store components separately and assemble before serving.