Here is a rich, cheesy Philly Cheesesteak Casserole recipe that delivers all the classic flavors of a Philly cheesesteak in an easy baked dish. Perfect for family dinners and meal prep.
Philly Cheesesteak Casserole
Preparation Time
20 minutes
Baking Time
30–35 minutes
Servings
4–6
Ingredients
Meat & Vegetables
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Beef steak or sirloin – 500 g (1 lb), thinly sliced
(ribeye is best if available) -
Olive oil – 2 tablespoons
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Onion – 1 large, thinly sliced
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Green bell pepper – 1 large, sliced
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Red bell pepper – 1 large, sliced
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Mushrooms – 1 cup, sliced (optional)
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Garlic – 2 cloves, minced
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Salt – 1 teaspoon
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Black pepper – ½ teaspoon
Creamy Cheese Sauce
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Butter – 2 tablespoons
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All-purpose flour – 2 tablespoons
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Milk – 1½ cups, warm
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Cream cheese – 100 g (3½ oz), softened
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Worcestershire sauce – 1 teaspoon
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Cheddar cheese – 1 cup, shredded
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Mozzarella or provolone – 1 cup, shredded
Topping
-
Extra mozzarella or provolone – ½ cup
-
Fresh parsley – optional
Directions
Step 1: Cook the Beef
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Heat olive oil in a large skillet over high heat.
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Add beef in batches and cook quickly until just browned.
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Season with salt and pepper.
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Remove beef and set aside.
Step 2: Sauté Vegetables
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In the same skillet, add onions and bell peppers.
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Cook for 5–6 minutes until softened.
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Add mushrooms and garlic; cook 1 minute.
Step 3: Make the Cheese Sauce
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In a saucepan, melt butter over medium heat.
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Stir in flour and cook for 1 minute.
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Gradually whisk in warm milk.
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Cook until thickened.
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Add cream cheese and Worcestershire sauce.
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Stir until smooth.
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Remove from heat and stir in cheddar and mozzarella until melted.
Step 4: Assemble
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Preheat oven to 180°C (350°F).
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Lightly grease a baking dish.
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Combine beef, vegetables, and cheese sauce.
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Spread evenly in dish.
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Top with extra cheese.
Step 5: Bake
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Bake uncovered for 30–35 minutes until bubbly and lightly golden.
Step 6: Rest and Serve
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Let rest 5–10 minutes.
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Garnish with parsley if desired.
Tips for Best Results
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Slice beef very thin against the grain.
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Cook beef quickly to keep it tender.
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Provolone gives the most authentic flavor.
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Let casserole rest before serving.
Variations
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Low-Carb: Serve over cauliflower rice.
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Pasta Version: Add cooked penne or rotini.
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Bread Base: Layer toasted bread cubes at the bottom.
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Spicy: Add jalapeños or chili flakes.
Storage
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Refrigerate leftovers up to 3 days.
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Reheat in oven or microwave.
