Step-by-Step Instructions
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Cook the beef and veggies
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In a large skillet, cook sliced steak (or ground beef) until browned. Remove and set aside.
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In the same skillet, sauté onions, peppers, and garlic until tender and caramelized.
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Make the creamy base
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In a mixing bowl, combine cream cheese, mayonnaise (or sour cream), Worcestershire sauce, seasoned salt, and black pepper. Mix until smooth.
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Assemble the casserole
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Preheat oven to 375°F (190°C).
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In a greased 9×13-inch baking dish, layer cooked beef, then vegetables.
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Spread the cream cheese mixture evenly over the top.
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Sprinkle generously with provolone and cheddar cheeses.
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(Optional) Lay crescent roll or biscuit dough on top for a golden crust.
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Bake
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Bake uncovered for 20–25 minutes, or until the cheese is bubbly and lightly browned.
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If using dough, bake until it’s golden and fully cooked.
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Serve hot
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Garnish with parsley or sliced green onions if desired.
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Pair with a simple salad or cornbread for a full Southern-style meal.
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Tips for the Best Philly Cheesesteak Casserole
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Use thin-sliced ribeye for the most authentic Philly flavor, but ground beef makes it quicker and budget-friendly.
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Switch up the cheese: Provolone is classic, but pepper jack adds a spicy kick, and cheddar brings Southern comfort.
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Add mushrooms if you like a more traditional Philly cheesesteak vibe.
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Double the recipe for larger gatherings—it disappears fast!
Final Thoughts
The Southern Style Philly Cheesesteak Casserole is comfort food at its finest: creamy, cheesy, and packed with flavor. It takes the best of Philadelphia’s iconic sandwich and gives it a Southern soul. Whether you serve it at a family dinner, holiday gathering, or just a cozy night in, this casserole is guaranteed to be a hit.
