Philly Cheesesteak Casserole

Here’s a detailed, unique article about making a Philly Cheesesteak Casserole, breaking it down step by step for a delicious and comforting result:

Philly Cheesesteak Casserole: A Comforting Twist on a Classic

Philly cheesesteaks are legendary for their tender beef, melted cheese, and perfectly sautéed onions and peppers. But sometimes, you want all those flavors in a dish that’s easier to serve for a crowd—or just to enjoy as leftovers that taste even better the next day. Enter the Philly Cheesesteak Casserole, a hearty, cheesy, and irresistible dish that transforms a classic sandwich into a baked comfort food masterpiece.

Ingredients

For this casserole, you’ll need:

For the meat mixture:

• 1 lb (450 g) thinly sliced or chopped ribeye steak (you can use sirloin or even thinly sliced beef for convenience)
• 1 small onion, thinly sliced
• 1 green bell pepper, thinly sliced
• 1 red bell pepper, thinly sliced
• 2 tablespoons olive oil
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• Salt and pepper to taste

For the casserole base:

• 1 ½ cups shredded provolone cheese
• ½ cup shredded mozzarella cheese
• 4 large eggs
• 1 cup milk
• 1 teaspoon Dijon mustard (optional for a slight tang)
• 2 cups cubed French bread or Italian bread (day-old bread works best)

For topping:

• ½ cup extra shredded provolone or cheddar
• Fresh parsley for garnish (optional)

Step-by-Step Instructions

Step 1: Prepare the Meat and Vegetables

1. Preheat a large skillet over medium-high heat and add 2 tablespoons of olive oil.
2. Add the sliced onions and bell peppers, sautéing for 3–5 minutes until softened and slightly caramelized.
3. Add the thinly sliced beef to the skillet, season with garlic powder, onion powder, salt, and pepper. Cook until the beef is just browned but still tender, about 4–5 minutes.
4. Remove from heat and set aside. This flavorful mixture is the heart of your casserole.

Step 2: Prepare the Bread Base

1. Preheat your oven to 350°F (175°C) and grease a 9×13-inch baking dish.
2. Spread the cubed bread evenly across the bottom of the dish. The bread will soak up the egg mixture and help bind the casserole.

Step 3: Mix the Egg and Cheese Base

1. In a medium bowl, whisk together the eggs, milk, Dijon mustard (if using), and a pinch of salt and pepper.
2. Stir in 1 ½ cups of shredded provolone and ½ cup mozzarella cheese.
3. Pour this egg-cheese mixture evenly over the bread cubes, allowing the liquid to seep into every corner.

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