I never thought a Philly cheesesteak could become the ultimate comfort casserole until I tried it. The first time I layered juicy beef, onions, peppers, and melted cheese into a baking dish, the smell alone convinced me I’d found something special. This ground beef philly cheesesteak casserole brings the best of that iconic sandwich straight to your dinner table no bun required.
Table of Contents

Ground Beef Philly Cheesesteak Casserole: Easy, Cheesy Family Dinner Recipe
Ingredients
Method
- Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish.
- In a large skillet, heat olive oil and sauté onions and bell peppers until softened. Add garlic and cook 30 seconds more.
- Add ground beef and cook until browned. Drain excess fat.
- Stir in Worcestershire sauce, paprika, salt, pepper, and cream cheese or heavy cream. Mix until creamy and well combined.
- Spread beef mixture evenly into prepared dish.
- Top with provolone slices or sprinkle shredded mozzarella evenly over the top.
- Bake uncovered for 15–20 minutes, or until cheese is melted and bubbly.
- Optional: Broil for 2–3 minutes to brown the cheese lightly.
- Let rest 5 minutes before slicing and serving.
Notes
Why This Ground Beef Philly Cheesesteak Casserole Works
A one-dish wonder
This casserole keeps the heart of a cheesesteak tender beef, peppers, and gooey cheese but turns it into a cozy, crowd-pleasing dinner. It’s easy, mess-free, and perfect for busy weeknights.
Balanced flavor and texture
The seasoned ground beef gives savory depth, while the bell peppers and onions add sweetness and bite. A creamy, cheesy sauce ties everything together for a melt-in-your-mouth finish.
Ingredients & Why They Matter

| Ingredient | Role | Notes / Alternatives |
|---|---|---|
| Ground beef (lean) | Main protein | Use 85/15 or leaner, drain excess grease |
| Bell peppers & onions | Sweetness + crunch | Use red, green, or a mix for color |
| Garlic & seasonings | Layered flavor | Salt, pepper, paprika, Worcestershire |
| Cream cheese or heavy cream | Creamy binder | Helps sauce cling to beef and veggies |
| Provolone or mozzarella | Melty top | Classic cheesesteak taste and stretch |
| Mushrooms (optional) | Earthy richness | Add texture and umami flavor |
| Olive oil or butter | Adds flavor | Prevents veggies from drying out |
The combination of these ingredients transforms your classic sandwich into a baked masterpiece rich, hearty, and irresistibly cheesy.
Step-by-Step: How to Make Ground Beef Philly Cheesesteak Casserole

- Preheat and prep.
Set the oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish. - Cook the vegetables.
Sauté diced onions and bell peppers in a skillet with olive oil until soft. Add garlic and cook another 30 seconds. - Brown the beef.
Add ground beef to the skillet. Cook until browned and crumbly. Drain excess fat. - Make the creamy base.
Lower the heat and stir in cream cheese, a splash of cream, and Worcestershire sauce. Mix until smooth and creamy. - Assemble the casserole.
Spread the beef mixture evenly in your dish. Layer sliced provolone or shredded mozzarella on top. - Bake.
Bake uncovered for 15-20 minutes until the cheese is melted and bubbling. For extra browning, broil for 2-3 minutes. - Cool and serve.
Let rest 5 minutes before slicing it helps everything set beautifully.
Flavor Variations You’ll Love
The beauty of a ground beef philly cheesesteak casserole is how adaptable it is. Here are some fun ways to switch things up without losing that signature taste:
- Loaded Style: Add mushrooms and caramelized onions for an extra-rich version.
- Spicy Kick: Mix in diced jalapeños or hot sauce for heat lovers.
- Double Cheese: Use both provolone and cheddar for more melt and flavor.
- Low-Carb Option: Skip the cream cheese and use an egg + cream base to keep it keto-friendly.
- Veggie Lover’s Casserole: Add zucchini or spinach for a lighter, colorful twist.
Each version maintains that classic Philly cheesesteak spirit while giving your dinner table something new to talk about.
Storage, Freezing, and Reheating Tips
You can easily prepare this ground beef philly cheesesteak casserole ahead of time perfect for meal prep or make-ahead dinners.
- To Store: Keep leftovers in an airtight container for up to 4 days in the fridge.
- To Freeze: Wrap tightly with foil or store portions in freezer-safe containers. It stays fresh up to 3 months.
- To Reheat: Reheat covered in a 325°F oven for 15 minutes, or in the microwave with a damp paper towel to retain moisture.
Pro Tip: Always let the casserole cool before freezing to prevent ice crystals and sogginess when reheating.
What to Serve With It
This casserole is rich on its own, so lighter sides pair beautifully:
- Crisp green salad with balsamic vinaigrette
- Roasted broccoli or asparagus
- Steamed green beans for crunch
- Garlic bread or soft dinner rolls for those who still want a “sandwich feel”
- Sparkling lemonade or iced tea for refreshment
If you want to stay classic, serve it with oven fries or sweet potato wedges they soak up all that cheesy goodness.
Troubleshooting & Tips
| Problem | Cause | Fix |
|---|---|---|
| Watery filling | Too much liquid from veggies | Drain well and sauté longer |
| Cheese burns early | Oven too hot or cheese added too soon | Bake at moderate heat and add cheese halfway |
| Bland taste | Underseasoned beef | Add Worcestershire or steak seasoning |
| Layers slide apart | Not rested enough | Let cool for 5 minutes before slicing |
Conclusion
This ground beef philly cheesesteak casserole is everything you love about the original sandwich hearty, cheesy, and bursting with flavor but easier to make and even easier to serve. Perfect for busy nights, potlucks, or just when you want something indulgent without the fuss.
FAQ for ground beef philly cheesesteak casserole
Can I use ground turkey or chicken instead of beef in this ground beef philly cheesesteak casserole?
Yes, you can easily swap ground beef for ground turkey or chicken. The texture stays similar, but the flavor becomes milder. If you make this switch, increase the seasonings especially Worcestershire sauce, garlic powder, and black pepper to capture the rich taste of a true Philly cheesesteak. You can also add a bit of olive oil for extra moisture since lean meats tend to dry out faster during baking.
What kind of cheese works best for ground beef philly cheesesteak casserole?
Provolone is the traditional choice for an authentic cheesesteak flavor, but this casserole loves variety. Mozzarella gives it that signature creamy pull, while cheddar adds sharpness. For a more indulgent dish, use a mix of provolone and cream cheese. If you like things bold, try pepper jack or a sprinkle of Parmesan before baking for a savory crust. The key is to use freshly shredded or sliced cheese it melts better and creates that smooth, restaurant-style finish.
Can I make this casserole ahead of time and bake it later?
Absolutely. This ground beef philly cheesesteak casserole is perfect for make-ahead meals. Simply prepare the beef and pepper mixture, assemble the dish, cover tightly with foil, and refrigerate for up to 24 hours. When ready to bake, uncover and bake as usual, adding an extra 5-10 minutes to account for the chilled ingredients. This make-ahead method actually deepens the flavors overnight, making the dish even more delicious the next day.
Is ground beef philly cheesesteak casserole keto-friendly or low-carb?
Yes, this recipe fits beautifully into a low-carb or keto meal plan. Since it’s naturally bread-free, it skips unnecessary carbs while keeping all the flavor. To make it even more keto-friendly, replace any cornstarch or thickening agents with cream cheese or heavy cream. Add extra vegetables like mushrooms or spinach to boost fiber without increasing carbs. Each serving is hearty, cheesy, and satisfying no bread roll needed.
What vegetables can I add to ground beef philly cheesesteak casserole?
The classic combo includes onions and bell peppers, but you can personalize it based on what you have on hand. Mushrooms add rich umami, spinach or kale bring color and nutrients, and zucchini offers a mild flavor that pairs well with cheese. Just make sure to sauté watery veggies first to prevent the casserole from becoming soggy. For extra flavor, toss them with garlic and a pinch of smoked paprika before layering them into the dish.
How do I keep the cheese from becoming greasy or rubbery when reheating leftovers?
The secret is gentle heat. Avoid high microwave settings use 50% power for about 60-90 seconds, or reheat in the oven at 325°F (160°C) for 10-15 minutes covered with foil. This helps the cheese melt evenly without separating. If it looks a little dry, drizzle a tablespoon of cream or broth over the top before reheating. The ground beef philly cheesesteak casserole will come out as gooey and delicious as when it was first baked.
Can I freeze ground beef philly cheesesteak casserole for later?
Definitely! This casserole freezes like a dream. Let it cool completely, then wrap it tightly with plastic wrap and foil, or store portions in freezer-safe containers. It keeps well for up to three months. For best results, thaw overnight in the refrigerator before reheating. Once thawed, bake covered at 350°F (175°C) for 15-20 minutes, then uncover and broil briefly to restore the bubbly cheese top. The flavors remain rich and comforting, even after freezing.
How can I make this casserole even creamier and more flavorful?
There are several easy ways to make your ground beef philly cheesesteak casserole extra creamy. Stir in a few tablespoons of cream cheese or a splash of heavy cream into the beef mixture before baking. You can also layer provolone slices between the beef and cheese topping for a double-melt effect. For more depth, add a pinch of steak seasoning or Worcestershire sauce. The result? A casserole that’s luscious, rich, and loaded with Philly-style cheesiness in every bite.
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