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Philly Cheesesteak Casserole

This Philly Cheesesteak Casserole transforms the iconic sandwich into a hearty, family-friendly dish that's perfect for busy weeknights or weekend gatherings.
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Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings 8 servings
Calories 350 kcal

Ingredients
  

  • 2 lbs thinly sliced beef ribeye or sirloin
  • 2 medium green bell peppers sliced
  • 2 medium onions thinly sliced
  • 8 oz mushrooms sliced
  • 2 cups provolone cheese shredded
  • 1 cup mozzarella cheese shredded
  • 3 tablespoons butter
  • 2 tablespoons olive oil
  • 2 cloves garlic minced
  • 1 teaspoon Worcestershire sauce
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper

Instructions
 

  • Preheat your oven to 375°F (190°C) and grease a 9x13 inch baking dish.
  • Heat olive oil in a large skillet over medium-high heat. Add sliced beef and cook until just browned, about 5-7 minutes. Remove and set aside.
  • In the same skillet, melt butter and add sliced onions, peppers, and mushrooms. Cook until vegetables are softened and onions are translucent, about 8-10 minutes.
  • Add minced garlic and cook for another minute until fragrant.
  • Return the beef to the skillet, add Worcestershire sauce, salt, and pepper. Stir to combine.
  • Transfer the mixture to your prepared baking dish and top with both cheeses.
  • Bake for 20-25 minutes, or until the cheese is melted and bubbly with golden spots.