Philly Cheesesteak Casserole

 

This Philly Cheesesteak Casserole brings all the bold, savory flavors of the classic Philadelphia cheesesteak into an easy, comforting baked casserole. Juicy beef, sautéed peppers and onions, and plenty of melted cheese come together in one hearty, crowd-pleasing dish—perfect for family dinners, potlucks, or meal prep.

Why You’ll Love This Recipe

• All the flavor of a Philly cheesesteak without the sandwich
• Easy to prepare and great for feeding a crowd
• Cheesy, hearty, and incredibly satisfying
• Perfect make-ahead and freezer-friendly meal

Ingredients (Serves 6–8)

Main Ingredients

• 1½ lbs (700 g) beef (sirloin, ribeye, or ground beef)
• 2 tablespoons olive oil
• 1 large onion, sliced
• 2 bell peppers (green preferred), sliced
• 2 cloves garlic, minced
• 1 teaspoon salt
• ½ teaspoon black pepper
• ½ teaspoon paprika

For the Casserole Base

• 8 oz (225 g) cooked pasta (penne or rotini) or sliced potatoes
• 1 cup beef broth
• 1 cup heavy cream or milk
• 1 tablespoon Worcestershire sauce

For the Cheese Layer

• 1½ cups shredded mozzarella cheese
• 1 cup provolone cheese (or sliced provolone)
• ½ cup cream cheese, softened

Optional Toppings

• Sliced mushrooms
• Crushed red pepper flakes
• Fresh parsley

Instructions (Step by Step)

1. Prepare the Ingredients

1. Preheat oven to 375°F (190°C).
2. Grease a 9×13 inch baking dish.
3. Cook pasta according to package instructions (if using). Drain and set aside.
4. Slice beef thinly against the grain (if not using ground beef).

2. Cook the Beef

1. Heat olive oil in a large skillet over medium-high heat.
2. Add beef and cook until browned.
3. Season with salt, pepper, and paprika.
4. Remove beef from skillet and set aside.

If using ground beef, break it apart and drain excess fat.

3. Sauté Vegetables

1. In the same skillet, add onion and bell peppers.
2. Cook for 5–7 minutes until soft and lightly caramelized.
3. Add garlic and cook for 30 seconds.

4. Make the Creamy Sauce

1. Lower heat to medium.
2. Stir in cream cheese until melted.
3. Add beef broth, heavy cream, and Worcestershire sauce.
4. Stir until smooth and creamy.

5. Assemble the Casserole

1. Add cooked beef back into the skillet.
2. Stir in cooked pasta (or potatoes).
3. Mix everything until well coated.
4. Transfer mixture to the prepared baking dish.
5. Top with mozzarella and provolone cheese.

6. Bake

1. Cover with foil and bake for 20 minutes.
2. Remove foil and bake an additional 10–15 minutes until cheese is melted and bubbly.
3. For a golden top, broil for 2–3 minutes (watch closely).

Serving Suggestions

• Serve hot with a green salad
• Pair with garlic bread or rolls
• Garnish with parsley or chili flakes

Pro Tips

Ribeye gives the most authentic Philly flavor
Provolone is traditional, but mozzarella melts beautifully
Let casserole rest 10 minutes before slicing
Tastes even better the next day

Variations

• Low-Carb: Skip pasta and use cauliflower
• Cheesy Deluxe: Add extra cheese layers
• Spicy Version: Add jalapeños or hot sauce
• Mushroom Philly: Add sautéed mushrooms

Storage & Reheating

• Refrigerator: up to 4 days
• Freezer: up to 2 months
• Reheat covered in oven or microwave