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Low Carb Philly Cheesesteak Casserole

A comforting one-dish meal featuring seasoned beef, caramelized onions, peppers, and plenty of melty cheese, perfect for busy weeknights.
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Prep Time 15 minutes
Cook Time 25 minutes
Total Time 50 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American
Calories: 600
Ingredients Method Notes

Ingredients
  

Main ingredients
  • 2 lbs ground beef (80/20 fat ratio preferred) Provides heartiness and flavor.
  • 1 large onion (diced) Adds sweetness and flavor.
  • 2 large bell peppers (green, red, or mixed, diced) Softened and sweetened during cooking.
  • 2 cloves garlic (minced) Adds aroma without overpowering.
  • 8 oz cream cheese (softened to room temperature) Contributes creaminess to the filling.
  • 2 tbsp Worcestershire sauce Boosts flavor depth.
  • salt and pepper to taste salt and pepper Adjust seasoning as needed.
  • 8 oz provolone cheese (sliced) Classic Philly flavor.
  • 1.5 cups mozzarella cheese (shredded) Provides stretch and golden topping.
  • 1 tbsp olive oil Used to sauté vegetables.

Method
 

Preparation
  1. Preheat your oven to 350°F (175°C) and spray a 9×13 baking dish with non-stick spray.
  2. Heat olive oil in a large skillet over medium heat.
  3. Add diced onions and bell peppers to the hot oil, cooking for 5-6 minutes until they start to soften and become fragrant.
  4. Add minced garlic and cook for another 30 seconds, stirring constantly to prevent burning.
Browning
  1. Add ground beef to the skillet, breaking it up with your spatula as it cooks.
  2. Season generously with salt and pepper, cooking for 7-8 minutes until completely browned with no pink remaining.
  3. Drain excess fat if needed.
  4. Stir in Worcestershire sauce and let it coat the meat mixture for enhanced flavor.
  5. Reduce heat to low and add the softened cream cheese, stirring until completely melted and creamy.
Baking
  1. Transfer the mixture to your prepared baking dish and spread evenly.
  2. Layer torn provolone pieces over the beef, then top with shredded mozzarella.
  3. Bake for 22-25 minutes until cheese is melted, bubbly, and lightly golden on top.
  4. Let rest for 5 minutes before serving to allow flavors to meld together.

Notes

For make-ahead convenience, prepare the filling a day ahead, refrigerate it, then assemble with cheese and bake when ready.