Philly Cheese Steak Casserole

Philly Cheese Steak Casserole is the embodiment of comfort food with a delightful twist. It takes the beloved flavors of the classic Philadelphia sandwich and transforms them into a satisfying casserole that’s perfect for family dinners or gatherings with friends. In this detailed guide, we’ll walk you through crafting this cheesy, savory masterpiece, revealing the secret ingredients and tips to ensure your casserole is a hit. Get ready to embark on a culinary journey to Philadelphia and savor every bite of this delectable creation.


For the Casserole:

  • 1 pound of thinly sliced beef (such as ribeye or sirloin)
  • 2 tablespoons olive oil
  • 1 green bell pepper, thinly sliced
  • 1 red bell pepper, thinly sliced
  • 1 onion, thinly sliced
  • 8 ounces of mushrooms, sliced
  • 2 cups of shredded provolone cheese (or a blend of provolone and American cheese)
  • 4 large eggs
  • 1/2 cup of heavy cream
  • Salt and pepper to taste

For the Topping:

  • 1/2 cup of mayonnaise
  • 1/2 cup of sour cream
  • 1 cup of shredded mozzarella cheese
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • Salt and pepper to taste

Step-by-Step Instructions:

Step 1: Sauté the Beef and Veggies

  1. In a large skillet, heat 2 tablespoons of olive oil over medium-high heat.
  2. Add the thinly sliced beef and cook for 2-3 minutes until it starts to brown. Season with salt and pepper to taste. Remove the beef from the skillet and set it aside.
  3. In the same skillet, add the sliced green and red bell peppers, onion, and mushrooms. Sauté until they are tender and slightly caramelized, about 5-7 minutes. Remove from heat.

Step 2: Assemble the Casserole

  1. Preheat your oven to 350°F (175°C).
  2. In a greased 9×13-inch baking dish, layer half of the sautéed beef and vegetable mixture.
  3. Sprinkle half of the shredded provolone cheese (or cheese blend) evenly over the beef and veggies.
  4. Repeat the layers with the remaining beef, veggies, and cheese.

Step 3: Prepare the Egg Mixture

  1. In a mixing bowl, whisk together 4 large eggs and 1/2 cup of heavy cream. Season with a pinch of salt and pepper.
  2. Pour the egg mixture evenly over the casserole layers.

Step 4: Create the Topping

  1. In a separate bowl, combine 1/2 cup of mayonnaise, 1/2 cup of sour cream, 1 cup of shredded mozzarella cheese, 1/2 teaspoon of garlic powder, 1/2 teaspoon of onion powder, and a pinch of salt and pepper.

Step 5: Finish and Bake

  1. Spread the topping mixture over the casserole.
  2. Place the casserole in the preheated oven and bake for 25-30 minutes, or until it’s bubbly and the top is golden brown.

Tips for a Perfect Philly Cheese Steak Casserole:

  • Thin Slicing: Ensure the beef is thinly sliced for quick cooking and even distribution in the casserole.
  • Melted Cheese: Don’t skimp on the cheese – it’s what makes this dish extra delicious!
  • Customize: Add sautéed garlic or hot peppers for an extra flavor kick.

Philly Cheese Steak Casserole is a savory sensation that combines the essence of a classic sandwich with the convenience of a casserole. Armed with this guide, you’re ready to craft a dish that’s sure to please your palate and those of your loved ones. Share the joy of this comforting creation and savor the goodness of Philly Cheese Steak Casserole. Enjoy!

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