Introduction
There’s something extra comforting about taking a classic sandwich and turning it into a warm, cheesy, oven-baked casserole. This Philly Cheesesteak Casserole has everything you love about the original—savory beef, sautéed peppers and onions, tender mushrooms, and loads of melty cheese—all baked together in one hearty dish.
It’s rich, satisfying, and perfect for busy weeknights, family dinners, or even casual gatherings when you want something easy that everyone will devour.
Ingredients
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1 ½ lbs ground beef or shaved steak
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1 medium onion, diced
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1 green bell pepper, diced
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1 red bell pepper, diced
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8 oz mushrooms, sliced
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2 cloves garlic, minced
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1 tsp salt
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½ tsp black pepper
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½ tsp smoked paprika (optional)
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1 tbsp Worcestershire sauce
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8 oz cream cheese, softened
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½ cup mayonnaise
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2 large eggs
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1 cup shredded provolone cheese
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1 cup shredded mozzarella cheese
Instructions
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Preheat & Prep:
Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish. -
Cook the Beef:
In a large skillet over medium-high heat, cook the ground beef (or shaved steak) until browned and fully cooked. Drain any excess grease. -
Sauté the Vegetables:
Add the onion, bell peppers, mushrooms, and garlic to the skillet. Cook for 5–6 minutes, until the vegetables are softened.
Season with salt, black pepper, smoked paprika, and stir in the Worcestershire sauce. -
Transfer to Baking Dish:
Spoon the beef and veggie mixture into the prepared baking dish and spread it out evenly. -
Make the Creamy Mixture:
In a mixing bowl, whisk together the softened cream cheese, mayonnaise, and eggs until smooth. -
Assemble the Casserole:
Pour the creamy mixture over the beef and vegetables. Spread it gently, then top with shredded provolone and mozzarella. -
Bake:
Bake for 25–30 minutes, until the top is golden and bubbly. -
Rest & Serve:
Let the casserole rest for 5 minutes before serving.
Conclusion
This Philly Cheesesteak Casserole is cheesy, creamy, and packed with classic cheesesteak flavor—without needing any rolls or messy assembly. It’s a cozy, crowd-pleasing dinner that comes together quickly and disappears even faster. Serve it with a simple salad, crusty bread, or toasted hoagie rolls for the full Philly-inspired experience!