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Easy Philly Cheesesteak Casserole

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Philly Cheesesteak Casserole is a rich, cheesy, and low-carb twist on the classic sandwich, made with tender beef, sautéed peppers, onions, and melted provolone. This easy one-pan dinner is perfect for busy weeknights and packed with bold, comforting flavors.

Ingredients

  • 1 lb thinly sliced beef (ribeye or steak strips)
  • 1 green bell pepper, sliced
  • 1 onion, sliced
  • 1 cup mushrooms, sliced
  • 2 cloves garlic, minced
  • 4 oz cream cheese
  • 1/2 cup beef broth
  • 1 1/2 cups provolone cheese, sliced or shredded
  • 1 tablespoon olive oil
  • 1/2 teaspoon salt, or to taste
  • 1/4 teaspoon black pepper

Instructions

  • Preheat oven to 190°C (375°F).
  • Heat olive oil in a large skillet over medium heat. Add onions and bell peppers, cooking until softened.
  • Add mushrooms and cook until tender and moisture has evaporated.
  • Stir in garlic and cook for about 30 seconds.
  • Add sliced beef and cook until browned. Season with salt and black pepper.
  • Reduce heat and stir in cream cheese and beef broth until smooth and creamy.
  • Transfer mixture to a baking dish and spread evenly.
  • Top with provolone cheese.
  • Bake for 15–20 minutes until cheese is melted and bubbly.
  • Let cool slightly before serving.

Notes

  • Cook vegetables thoroughly to avoid excess moisture in the casserole.Ground beef can be used as a budget-friendly substitute.Add hot peppers or chili flakes for extra spice.Mozzarella or cheddar can replace provolone if desired.Great for meal prep and reheats well.