If you’re craving something hearty, cheesy, and incredibly satisfying, this Philly Cheese Steak Casserole is exactly what you need. It takes everything you love about the classic sandwich—juicy beef, sautéed peppers, onions, and melted cheese—and transforms it into a rich, oven-baked comfort dish that’s perfect for busy weeknights or cozy family dinners.
This recipe is low-effort, high-flavor, and guaranteed to become a favorite in your home.
Why You’ll Love This Philly Cheese Steak Casserole
✅ Packed with bold, savory flavors
✅ Quick and easy to prepare
✅ Perfect for meal prep or leftovers
✅ Family-friendly comfort food
✅ Low-carb and keto-friendly option
Ingredients You’ll Need
To make this delicious casserole, gather the following ingredients:
1½ lbs ground beef or thinly sliced beef
1 small onion, sliced
1 green bell pepper, sliced
1 red bell pepper, sliced
2 cloves garlic, minced
1 tbsp Worcestershire sauce
½ cup beef broth
4 oz cream cheese, softened
1 cup shredded mozzarella cheese
1 cup shredded provolone cheese
Salt and black pepper, to taste
Optional: sliced mushrooms
Step-by-Step Instructions
- Cook the Beef
In a large skillet over medium heat, cook the ground beef until browned. If using sliced beef, cook until just tender. Drain excess grease if needed. - Sauté the Vegetables
Add onions, bell peppers, and optional mushrooms to the skillet. Cook for 4–5 minutes until softened. Stir in the minced garlic and cook for another minute. - Add Flavor
Pour in the Worcestershire sauce and beef broth. Stir well and let it simmer for a few minutes to enhance the flavor. - Make It Creamy
Add the softened cream cheese and stir until fully melted and combined with the beef mixture. - Assemble the Casserole
Transfer the mixture into a greased baking dish. Spread evenly, then top with shredded mozzarella and provolone cheese. - Bake to Perfection
Bake in a preheated oven at 375°F (190°C) for 15–20 minutes, or until the cheese is melted, bubbly, and slightly golden.
Tips for the Best Cheese Steak Casserole
Use thinly sliced ribeye for a more authentic Philly flavor
Don’t skip the Worcestershire sauce—it adds depth and richness
Add a pinch of red pepper flakes for a slight kick
Let the casserole rest for 5 minutes before serving
What to Serve With Philly Cheese Steak Casserole
This dish is versatile and pairs well with:
Garlic bread or toasted rolls
A fresh green salad
Roasted vegetables
Cauliflower rice (for a low-carb option)
Storage & Reheating
Refrigerate: Store leftovers in an airtight container for up to 4 days
Freeze: Freeze for up to 2 months
Reheat: Warm in the oven or microwave until heated through
Final Thoughts
This Philly Cheese Steak Casserole is the ultimate comfort food—rich, cheesy, and packed with flavor in every bite. Whether you’re feeding a hungry family or looking for a simple yet satisfying dinner, this recipe delivers every time.
Try it once, and it might just replace your favorite sandwich version forever.
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