Philly Cheesesteak Casserole is a hearty, cheesy, and satisfying comfort dish inspired by the famous Philly cheesesteak sandwich. It combines savory beef, sautéed onions and peppers, and plenty of melted cheese baked together into a warm, delicious casserole.
This dish delivers the classic flavors of a cheesesteak without the bread, making it perfect for low-carb meals, family dinners, or easy weeknight cooking. It’s rich, creamy, and incredibly flavorful.
Why You’ll Love This Recipe
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All the Philly cheesesteak flavor in a baked casserole
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Simple ingredients and easy preparation
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Low-carb friendly without the sandwich roll
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Perfect for meal prep or family dinners
Ingredients
For the Casserole
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1 lb (450 g) ground beef or thinly sliced steak
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1 tablespoon olive oil
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1 small onion, sliced
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1 green bell pepper, sliced
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1 red bell pepper, sliced
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2 cloves garlic, minced
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1 teaspoon salt
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½ teaspoon black pepper
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1 teaspoon Worcestershire sauce
Cheese Layer
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4 slices provolone cheese (or 1 cup shredded provolone/mozzarella)
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½ cup cream cheese, softened
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½ cup heavy cream or milk
Optional toppings:
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Mushrooms
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Extra shredded cheese
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Fresh parsley
Step-by-Step Instructions
1. Preheat the Oven
Preheat your oven to 375°F (190°C) and lightly grease a casserole dish.
2. Cook the Beef
Heat olive oil in a large skillet over medium heat.
Add the ground beef or sliced steak and cook until browned and fully cooked, breaking it apart if using ground beef.
Drain excess fat if needed.
3. Sauté the Vegetables
Add sliced onions, bell peppers, and garlic to the skillet.
Cook for 5–6 minutes until the vegetables are soft and slightly caramelized.
Season with salt, pepper, and Worcestershire sauce.
4. Prepare the Creamy Mixture
In a bowl, mix together:
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Cream cheese
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Heavy cream or milk
Stir until smooth.
5. Assemble the Casserole
Spread the beef and vegetable mixture into the casserole dish.
Pour the cream cheese mixture evenly over the top.
Place provolone slices or shredded cheese on top.
6. Bake
Bake in the oven for 20–25 minutes, until the cheese is melted, bubbly, and slightly golden.
7. Serve
Let the casserole cool for a few minutes before serving. Garnish with fresh parsley if desired.
Serving Ideas
This casserole pairs well with:
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Garlic bread
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Roasted vegetables
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Green salad
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Cauliflower rice (for a low-carb meal)
Tips for the Best Cheesesteak Casserole
✔ Use thin steak slices for authentic cheesesteak flavor.
✔ Don’t overcook the peppers—they should stay slightly crisp.
✔ Provolone cheese gives the classic Philly taste.
✔ Add mushrooms for extra flavor like traditional cheesesteaks.
Flavor Variations
Spicy Cheesesteak Casserole
Add jalapeños or red pepper flakes.
Mushroom Cheesesteak
Include sautéed mushrooms with the onions and peppers.
Loaded Version
Top with extra cheese and crispy bacon bits.
Bread Layer Version
Add toasted bread cubes at the bottom for a sandwich-style casserole.
Storage & Reheating
Refrigerator: Store leftovers in an airtight container for 3–4 days.
Freezer: Freeze for up to 2 months.
Reheat: Warm in the oven at 350°F (175°C) for 15 minutes or microwave individual portions.
✅ Pro Tip: For a true Philly flavor, mix provolone and mozzarella cheese for the best melt and taste.