Below is a detailed, unique, and richly written article about Philly Cheesesteak Casserole, complete with a clear step-by-step method for making it at home.

Philly Cheesesteak Casserole — Comfort Food Inspired by a Classic Sandwich

Few American dishes carry the same legendary status as the iconic Philly cheesesteak—thinly sliced beef, caramelized onions, melted cheese, and soft bread. But when you take the soul of that sandwich and transform it into a bubbling, oven-baked masterpiece? You get the irresistible Philly Cheesesteak Casserole.

This dish is everything you love about the original—savory beef, peppers, onions, gooey cheese—but layered into a hearty, fork-friendly bake that feeds a family, reheats beautifully, and delivers comfort in every creamy bite.

Whether you’re looking for an easy weeknight dinner, a meal-prep hero, or a crowd-pleaser for gatherings, this casserole earns a permanent spot in your recipe box.

⭐ What Makes This Casserole Special?

• One-pan flavor build-up: You sauté everything in one skillet and bake in one dish—low mess, high reward.
• Customizable: Swap in ground beef, shaved steak, or leftover roast. Add mushrooms, extra cheese, or hot peppers.
• Creamy yet light: A touch of cream cheese creates a velvety texture without making it heavy.
• The perfect fusion: All the flavors of a cheesesteak… but easier and more comforting.

🍳 Ingredients You’ll Need

For the Beef & Vegetables

• 1 lb (450 g) ground beef or shaved steak
• 1 large onion, sliced
• 1 green bell pepper, sliced
• 1 red bell pepper (optional), sliced
• 2 cloves garlic, minced
• 1 cup sliced mushrooms (optional but recommended)

For the Creamy Base

• 4 oz (115 g) cream cheese
• 1 cup beef broth
• 1 tablespoon Worcestershire sauce
• 1 teaspoon Italian seasoning
• Salt & pepper to taste

For the Casserole Layer

• 2 cups cooked pasta (penne or rotini), optional
• OR 3 cups cubed bread for a cheesesteak-bread bake
• 2 cups shredded provolone or mozzarella
• ½ cup shredded cheddar (optional, for extra flavor)

🥘 Step-by-Step Method

Step 1: Prepare the Base

Preheat your oven to 375°F (190°C) and lightly grease a medium-sized casserole dish.
This helps prevent sticking and ensures the casserole browns evenly.

Step 2: Brown the Beef

Heat a large skillet over medium-high heat.

1. Add the ground beef or shaved steak.
2. Cook until browned, breaking it into small pieces as it cooks.
3. Season with a pinch of salt and pepper.

Drain excess fat if needed—this keeps the casserole from becoming greasy.

Step 3: Sauté the Vegetables

In the same skillet:

1. Add onions and peppers.
2. Cook for 5–7 minutes until soft and slightly caramelized.
3. Add garlic and mushrooms (if using).
4. Cook for another 1–2 minutes until fragrant.

This step brings out the signature cheesesteak aroma.

Step 4: Build the Creamy Cheesesteak Sauce

Turn heat down to low.

1. Add cream cheese and stir until melted into the vegetables.
2. Pour in beef broth and Worcestershire sauce.
3. Sprinkle in Italian seasoning.
4. Let everything simmer for 3–4 minutes until slightly thickened.

You should get a silky, flavorful sauce that coats the beef beautifully.

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