Philly Melt Casserole Bake
If you love everything about a Philly cheesesteak — the tender beef, sweet sautéed peppers and onions, gooey cheese — but want it in cozy casserole form, this Philly Melt Casserole Bake is going to hit the spot. It takes all those classic sandwich flavors and bakes them together into a rich, cheesy skillet-style dinner that’s perfect for weeknights or feeding a crowd.
It’s hearty without being fussy: ground beef (or shaved steak if you want to go classic), bell peppers, onions, mushrooms, and a creamy, cheesy sauce that bakes under a blanket of provolone and mozzarella. Serve it with crusty bread, over rice, or spooned onto toasted hoagie rolls and you’ve basically got deconstructed cheesesteaks straight from the oven.
Ingredients for Philly Melt Casserole Bake
- Ground beef or shaved steak – The meaty base of the casserole.
- Olive oil – Helps everything sauté evenly.
- Onion, green pepper, red pepper – Classic Philly flavor, sweet and savory.
- Mushrooms – Add a nice earthy, steakhouse vibe.
- Garlic – For depth and aroma.
- Salt, black pepper, Worcestershire – Simple but essential seasoning.
- Beef broth – Keeps the mixture juicy and flavorful.
- Cream cheese – Makes the filling creamy and rich.
- Mozzarella and provolone – Melt beautifully for that pull-apart cheesesteak topping.
- Dried oregano & parsley – A little Italian-style finish.
How to Make Philly Melt Casserole Bake
STEP 1: Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish and set aside.
STEP 2: In a large skillet over medium-high heat, add the olive oil and cook the ground beef, breaking it apart with a spatula, until browned and no longer pink. Drain off any excess fat if needed.
STEP 3: Add the diced onion, green bell pepper, red bell pepper, and sliced mushrooms to the skillet with the beef. Sauté for 5–6 minutes, stirring occasionally, until the vegetables are softened. Stir in the minced garlic and cook for 1 more minute.
STEP 4: Season the mixture with salt, black pepper, Worcestershire sauce, and pour in the beef broth. Let it simmer for 2–3 minutes so the flavors meld and the liquid reduces slightly.
STEP 5: Lower the heat and stir in the softened cream cheese until it melts and turns the beef-and-veggie mixture into a creamy filling. It should be thick, glossy, and well combined.
STEP 6: Transfer the mixture to the prepared baking dish. Sprinkle the shredded mozzarella and provolone evenly over the top, then finish with a pinch of dried oregano.
STEP 7: Bake uncovered for 15–20 minutes, or until the cheese is melted, bubbly, and lightly golden around the edges.
STEP 8: Let it rest for a couple of minutes, then garnish with chopped parsley and serve hot.
Can I Add Pasta or Potatoes?
Yes — to make it even heartier, you can fold in cooked pasta (like penne or rotini) before baking, or layer the mixture over par-cooked sliced potatoes. Just make sure there’s enough sauce to coat everything.
Can I Use Steak Instead of Ground Beef?
Absolutely. Thinly sliced ribeye or sirloin seared quickly in the skillet gives you an even more authentic cheesesteak flavor. Just cook the veggies separately so the steak doesn’t overcook.
Helpful Tips
- Soften the cream cheese first so it melts smoothly.
- If you like it saucier, add a splash more beef broth before baking.
- For a true sandwich experience, spoon the hot casserole onto toasted hoagie rolls.
Serving Ideas
Serve this casserole with crusty bread, garlic toast, over buttered egg noodles, or alongside a simple green salad. It’s also great for game day or potlucks — just keep it warm and let people scoop their own.
Storage
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 325°F (165°C) or in a skillet over low heat until warmed through.
Philly Melt Casserole Bake
Ingredients
- 1 cup roughly 115 grams of grated provolone cheese
- 1/2 teaspoon of ground black pepper
- 2 garlic cloves finely chopped
- 1 cup about 115 grams of shredded mozzarella
- 8 ounces approximately 225 grams of softened cream cheese
- 1 teaspoon of Worcestershire sauce
- 1 tablespoon of extra virgin olive oil
- 1 red bell pepper finely chopped
- 1 medium onion diced
- 1 teaspoon dried oregano
- 1 green bell pepper chopped
- 8 ounces 225 grams of white mushrooms, thinly sliced
- 1/2 cup 120 ml of beef stock
- 1 teaspoon of salt or to preference
- 1 pound 450 grams of ground beef or shaved steak
- Optional: freshly minced parsley for garnish
Instructions
- Preheat your oven to 375°F (190°C).
- Warm olive oil in a large skillet set over medium-high heat. Add the ground beef and cook until no longer pink, using a spoon to crumble the meat as it browns. Drain any extra fat as needed.
- Incorporate the onion, both bell peppers, and sliced mushrooms into the skillet. Sauté for 5 to 6 minutes, stirring occasionally, until the vegetables are softened. Add minced garlic and cook for an additional minute.
- Season the mixture with salt, pepper, and Worcestershire sauce. Pour in the beef broth and allow the contents to simmer for 2 to 3 minutes.
- Reduce heat to low and stir in the cream cheese, blending until the mixture is smooth and fully integrated with the meat and vegetables.
- Transfer the combined mixture into a greased 9×13-inch baking dish. Scatter the shredded mozzarella and provolone cheeses across the top, followed by a light sprinkle of oregano.
- Place the dish uncovered in the oven and bake for 15 to 20 minutes, or until the cheese topping is melted and bubbling at the edges.
- Top with fresh parsley if using, and serve immediately alongside crusty bread, over rice, or with your choice of side.