Cheesy Philly Cheesesteak Casserole

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Ingredients

  • 1½ lb (680 g) ground beef or thinly sliced steak
  • 1 medium onion, diced
  • 1 green bell pepper, diced
  • 1 red bell pepper, diced
  • 8 oz (225 g) mushrooms, sliced
  • 2 cloves garlic, minced
  • 2 tbsp butter or olive oil
  • 1 tsp salt
  • ½ tsp black pepper
  • 1 tsp Italian seasoning
  • 1 tbsp Worcestershire sauce
  • 1 cup beef broth
  • 4 oz (115 g) cream cheese, softened
  • 1 cup shredded mozzarella
  • 1 cup shredded cheddar cheese
  • ½ cup provolone cheese, shredded or sliced
  • 3 cups cooked pasta, rice, or diced cooked potatoes
  • 2 tbsp chopped fresh parsley

Instructions

  1. Preheat the oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
  2. Cook the beef: Heat a large skillet over medium-high heat. Add the ground beef or sliced steak and cook until browned. Drain excess grease if necessary.
  3. Sauté the vegetables: Add butter, onion, green pepper, red pepper, and mushrooms. Cook for 5–7 minutes, until the vegetables soften and the mushrooms are golden.
  4. Add the garlic, salt, black pepper, Italian seasoning, and Worcestershire sauce. Cook for another minute.
  5. Pour in the beef broth and stir in the softened cream cheese. Continue cooking until the cream cheese melts and everything becomes creamy.
  6. Stir in the cooked pasta, rice, or potatoes, making sure everything is evenly coated with the beef and cheese mixture.
  7. Transfer the mixture to the prepared baking dish and spread it evenly.
  8. Sprinkle the mozzarella, cheddar, and provolone over the top.
  9. Bake uncovered for 20–25 minutes, until the cheese is completely melted, bubbling, and lightly golden.
  10. Let the casserole rest for 5–10 minutes, then garnish with fresh parsley and serve hot.

Tips

  • For a more authentic Philly cheesesteak flavor, use thinly sliced ribeye instead of ground beef.
  • Provolone gives the casserole a classic cheesesteak taste.
  • Add sliced jalapeños for a spicy version.
  • You can prepare the casserole ahead of time, refrigerate it, and bake it when ready.

Nutrition

Approximate per serving, depending on the ingredients used:

  • Calories: 450–550
  • Protein: 28–35 g
  • Carbohydrates: 20–30 g
  • Fat: 28–35 g
  • Calcium: 250–350 mg
  • Sodium: 700–900 mg

Conclusion

This Cheesy Philly Cheesesteak Casserole combines tender beef, sautéed peppers, onions, mushrooms, and a rich blend of melted cheeses in one comforting dish. It is hearty, creamy, easy to prepare, and perfect for a family dinner or potluck.

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