A Comforting Twist on a Classic Favorite
The Philly cheesesteak is an American icon—tender beef, sweet sautéed onions, peppers, and gooey melted cheese all packed into a satisfying bite. This Baked Philly Cheesesteak transforms that beloved sandwich into a warm, shareable casserole that’s perfect for family dinners, potlucks, or game day. You still get all the bold flavors of the original, but with easier prep, less mess, and plenty of cheesy goodness in every serving.
Ingredients (Serves 4–6)
Meat & Vegetables
- 1 lb (450 g) ribeye or sirloin steak, thinly sliced
- 1 large onion, thinly sliced
- 1 green bell pepper, thinly sliced
- 1 red bell pepper, thinly sliced
- 2 tablespoons olive oil
- Salt and black pepper, to taste
- 1 teaspoon garlic powder
Cheese Sauce
- 2 tablespoons butter
- 2 tablespoons all-purpose flour
- 1 cup whole milk
- 1 cup shredded provolone or American cheese
- ½ teaspoon mustard (optional, adds depth)
Assembly
- 4–6 hoagie rolls or baguette pieces
- 2 tablespoons fresh parsley, chopped (optional)
Step-by-Step Instructions
Step 1: Preheat and Prep
- Preheat oven to 375°F (190°C)
- Lightly grease a 9×13-inch baking dish
- If slicing steak yourself, chill it in the freezer for 15–20 minutes for easier, thinner cuts
Step 2: Cook the Steak and Vegetables
- Heat olive oil in a large skillet over medium-high heat
- Add onions and bell peppers, season with salt, pepper, and garlic powder
- Sauté for 5–7 minutes until softened and lightly caramelized
- Push vegetables aside, add steak, and cook 3–4 minutes until just browned
- Stir everything together and remove from heat
Step 3: Make the Cheese Sauce
- Melt butter in a saucepan over medium heat
- Whisk in flour and cook for 1 minute
- Gradually whisk in milk and cook until thickened, 3–5 minutes
- Lower heat and stir in cheese until smooth
- Add mustard if using
Step 4: Assemble the Casserole
- Arrange hoagie roll pieces in the baking dish
- Spoon steak and vegetable mixture evenly over the bread
- Pour cheese sauce generously over everything
Step 5: Bake
- Cover with foil and bake for 15 minutes
- Remove foil and bake another 5–7 minutes until bubbly and lightly golden
- Sprinkle with fresh parsley if desired
Step 6: Serve
- Rest for 2–3 minutes before serving
- Scoop onto plates and enjoy hot
Tips for the Best Results
- Cheese choice matters: Provolone is classic, American is ultra-creamy
- Slice steak thin: Tender meat makes all the difference
- Avoid sogginess: Lightly toast bread cubes before assembling if desired
- Spice it up: Add jalapeños, crushed red pepper, or hot sauce
Make It Your Own
- Mushroom Philly: Add sautéed mushrooms
- Low-carb version: Skip the bread and serve over roasted cauliflower
- Make-ahead friendly: Prep steak and sauce up to 24 hours ahead
Final Thoughts
Baked Philly Cheesesteak is everything you love about the classic sandwich—savory beef, sweet peppers, and melty cheese—reimagined into a cozy, crowd-pleasing dish. It’s comforting, customizable, and guaranteed to disappear fast. Once you try it baked, it just might become your new favorite way to enjoy a Philly classic 🧀🥩
