Philly Cheese Steak Casserole
A warm, comforting casserole that captures all the flavors of a classic Philly cheesesteak in a shareable bake, perfect for busy weeknights or festive gatherings.
Ingredients
Main Ingredients
- 1.5 pounds thinly sliced beef (ribeye, sirloin, or top round) Tender and flavorful when browned.
- 1 large onion, thinly sliced Caramelizes and adds sweet depth.
- 1 green bell pepper, thinly sliced (optional) Brightens the dish with a slight crunch.
- 3 cloves garlic, minced Aromatic backbone.
- 2 cups shredded provolone or American cheese Melts into a dreamy, gooey layer.
- 1 cup beef broth Builds savory flavor and keeps casserole moist.
- 0.5 cup mayonnaise or Greek yogurt For creaminess and a tangy note.
- 2 cups cubed crusty bread or 4 cups torn hoagie rolls Soak up the juices and become soft and delicious.
- 2 tablespoons butter or olive oil For browning the beef and onions.
- Salt and black pepper Pantry boosters for depth.
- 1 teaspoon Worcestershire sauce Adds depth to flavor.
Optional Ingredients
- Mushrooms Adds earthiness.
- Nutritional yeast Adds cheesy flavor without dairy.
- Smoked paprika For warmth.
Instructions
Preparation
- Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
- Heat 2 tablespoons of butter or oil in a large skillet over medium-high heat. Add thinly sliced beef in batches. Season with salt and pepper. Cook until just browned. Transfer to a plate.
- In the same skillet, add the onion and bell pepper. Sauté until softened and beginning to caramelize, about 6 to 8 minutes. Add garlic and cook for another 30 seconds until fragrant. Stir in Worcestershire sauce.
- Return the beef to the skillet, pour in beef broth, and stir to combine. Let simmer for a couple of minutes.
- In a bowl, combine cubed bread with mayonnaise or Greek yogurt and half of the shredded cheese. Fold in the beef mixture.
- Transfer the mixture to your prepared baking dish, sprinkle the remaining cheese on top, and bake for 20 to 25 minutes.
- Let rest for 5 minutes before serving.
Notes
Leftovers keep beautifully in an airtight container for up to 4 days. It also freezes well for up to 3 months. Thaw overnight in the refrigerator.