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Philly Cheese Steak Casserole

This comforting casserole combines all the flavors of a classic Philly cheese steak into a warm, family-style bake that's perfect for any weeknight dinner.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American
Calories: 600
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 1 pound thinly sliced sirloin or top round substitute with thinly sliced chicken breast or turkey for a lighter option
  • 1 large onion, thinly sliced sweeter when caramelized; use shallots for a more delicate flavor
  • 1 medium green bell pepper, sliced swap with red for a deeper flavor
  • 2 tablespoons olive oil use butter for richer flavor
  • 3 cups shredded provolone or American-style cheese use a dairy-free cheese for a vegan-friendly version
  • 8 ounces cooked egg noodles or cubed day-old bread use gluten-free pasta or cauliflower rice for a low-carb swap
  • 1 cup beef broth substitute with vegetable broth for a lighter profile
  • 2 tablespoons Worcestershire sauce use soy sauce or tamari for a gluten-free alternative
  • 1 teaspoon garlic powder
  • 1/2 teaspoon black pepper
  • salt to taste
  • 1/4 cup chopped fresh parsley (optional) bright and herby; try chives for a milder finish

Method
 

Preparation
  1. Preheat your oven to 375°F (190°C). Grease a 9x13-inch baking dish.
  2. Heat olive oil in a large skillet over medium-high heat. Add thinly sliced beef and sear quickly until just browned; remove and set aside.
  3. In the same skillet, add onions and bell pepper. Sauté until soft and caramelized, about 8–10 minutes. Stir in garlic powder, Worcestershire sauce, and beef broth, scraping up any browned bits.
  4. Return the beef to the skillet, combine with the vegetables, and simmer for 2–3 minutes so flavors meld. Taste and adjust seasoning.
  5. In a large bowl, toss cooked noodles or bread cubes with half of the shredded cheese. Pour the beef and vegetable mixture on top, fold gently to combine, and transfer to the prepared baking dish.
  6. Sprinkle the remaining cheese evenly over the casserole. Bake uncovered for 20–25 minutes, or until cheese is bubbly and lightly golden.
  7. Let it rest for 5 minutes, then garnish with fresh parsley and serve warm.

Notes

Make it healthier by swapping sirloin for ground turkey, increasing bell peppers, and adding mushrooms or spinach. For a festive twist, top with provolone slices and broil for 1-2 minutes.