Philly Cheesesteak Casserole

Why You’ll Love This Recipe

This casserole is rich, savory, and packed with cheesy steakhouse flavor. It’s easy to make, low on prep, and perfect for weeknights or weekend comfort meals. Whether you’re feeding a crowd or just craving Philly cheesesteak in a new way, this dish delivers serious satisfaction with minimal effort.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• Thinly sliced steak (ribeye, sirloin, or shaved beef)
• Bell peppers (green and/or red, sliced)
• Onion (sliced)
• Garlic (minced)
• Cream cheese
• Provolone cheese (sliced or shredded)
• Mozzarella cheese (shredded)
• Eggs (optional if making a baked egg-based version)
• Olive oil or butter
• Salt
• Black pepper
• Worcestershire sauce
• Italian seasoning (optional)
• Optional base: cooked pasta, cooked potatoes, or low-carb cauliflower rice

Directions

1. Preheat oven to 375°F (190°C).
2. In a large skillet, heat olive oil or butter over medium heat. Add sliced onions and bell peppers. Sauté until soft, about 5–7 minutes. Add garlic and cook for another minute. Remove and set aside.
3. In the same skillet, cook sliced steak until just browned. Season with salt, pepper, Worcestershire sauce, and Italian seasoning if using.
4. Add cream cheese to the skillet and stir until melted and combined with the steak.
5. Stir in the cooked peppers and onions. Mix until fully combined.
6. If using pasta or another base, stir it into the skillet mixture.
7. Transfer everything into a greased 9×13-inch baking dish. Top with provolone and mozzarella cheese.
8. Bake uncovered for 20–25 minutes or until hot and bubbly with melted, golden cheese.
9. Let rest for a few minutes before serving.

Servings and timing

This recipe makes approximately 6 servings.
Prep time: 15 minutes
Cook time: 25 minutes
Total time: 40 minutes

Variations

• Make it low-carb by omitting the pasta and using cauliflower rice or just the meat and veggies.
• Use ground beef or deli roast beef for a quick shortcut.
• Add mushrooms for an extra umami boost.
• Turn it into a breakfast-style bake by adding whisked eggs and baking until set.
• Use American cheese or cheese whiz for a more authentic Philly flavor.

Storage/Reheating

Store leftovers in an airtight container in the refrigerator for up to 4 days.
Reheat in a 350°F oven for 15–20 minutes or microwave individual servings for 1–2 minutes.
To freeze, cool completely, wrap tightly, and freeze for up to 2 months. Thaw in the fridge overnight before reheating.

FAQs

What’s the best steak to use for this casserole?

Thinly sliced ribeye is traditional, but sirloin, flank steak, or shaved beef also work well.

Can I use ground beef instead?

Yes, ground beef is a convenient and budget-friendly alternative.

Is provolone the only cheese I can use?

No, mozzarella, American, Swiss, or a mix of your favorites can all be used.

Can I add mushrooms?

Absolutely. Sauté them with the onions and peppers for more depth of flavor.

Is this casserole spicy?

Not as written, but you can add crushed red pepper flakes or sliced jalapeños for heat.

Can I make this ahead of time?

Yes, assemble the casserole and refrigerate up to 24 hours before baking.

What side dishes go well with it?

A simple green salad, garlic bread, or roasted vegetables all make great pairings.

Can I make it keto-friendly?

Yes, skip the pasta and use cauliflower rice or keep it to just steak, veggies, and cheese.

Can I use frozen peppers and onions?

Yes, thaw and drain them well before sautéing to avoid excess moisture.

How do I get a golden, bubbly top?

Bake uncovered and broil for the last 2–3 minutes if desired for extra browning.

Conclusion

Philly Cheesesteak Casserole is a flavorful, cheesy, and satisfying dinner that captures all the essence of a classic sandwich in an easy, bake-and-serve format. Whether you’re feeding a crowd or looking for something comforting and hearty, this recipe delivers bold taste with minimal effort. It’s sure to become a family favorite.

Philly Cheesesteak Casserole

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Philly Cheesesteak Casserole is a hearty, cheesy dish that transforms the iconic sandwich into a baked dinner. With tender steak, sautéed peppers and onions, creamy cheese, and optional pasta or potatoes, it’s a comforting, crowd-pleasing meal.

• Author: Laura
• Prep Time: 15 minutes
• Cook Time: 25 minutes
• Total Time: 40 minutes
• Yield: 6 servings
• Category: Main Course
• Method: Baking
• Cuisine: American

Ingredients

1. 1 lb thinly sliced steak (ribeye, sirloin, or shaved beef)
2. 1 green bell pepper, sliced
3. 1 red bell pepper, sliced
4. 1 medium onion, sliced
5. 2 cloves garlic, minced
6. 4 oz cream cheese
7. 1 cup shredded mozzarella cheese
8. 6 slices provolone cheese (or 1 cup shredded)
9. 2 tbsp olive oil or butter
10. 1 tbsp Worcestershire sauce
11. 1/2 tsp salt
12. 1/4 tsp black pepper
13. 1 tsp Italian seasoning (optional)
14. 2 cups cooked pasta, potatoes, or cauliflower rice (optional base)

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Instructions

Preheat oven to 375°F (190°C).

1. In a large skillet, heat olive oil or butter over medium heat. Add sliced bell peppers and onion. Sauté for 5–7 minutes until soft. Add garlic and cook for 1 more minute. Remove and set aside.
2. In the same skillet, cook steak slices until browned. Drain any excess fat.
3. Season steak with Worcestershire sauce, salt, pepper, and optional Italian seasoning.
4. Add cream cheese and stir until melted and combined with the steak.
5. Return sautéed peppers and onions to the skillet. Stir to combine.
6. If using a base (pasta, potatoes, or cauliflower rice), stir it in now.
7. Transfer mixture to a greased 9×13-inch baking dish. Top with provolone and mozzarella cheese.
8. Bake uncovered for 20–25 minutes, or until cheese is melted and bubbly. Broil for 2–3 minutes if desired for a golden top.
9. Let rest for 5 minutes before serving.

Notes

• Use ground beef or roast beef as a shortcut alternative to steak.
• Make it low-carb by skipping the pasta and using just steak, veggies, and cheese.
• Add sautéed mushrooms for extra flavor and texture.
• Use cheese whiz or American cheese for a classic Philly twist.
• Store leftovers in the fridge for up to 4 days or freeze up to 2 months.

Nutrition

• Serving Size: 1 serving
• Calories: 480
• Sugar: 4g
• Sodium: 750mg
• Fat: 32g
• Saturated Fat: 14g
• Unsaturated Fat: 14g
• Trans Fat: 0g
• Carbohydrates: 12g
• Fiber: 2g
• Protein: 34g
• Cholesterol: 95mg