Easy Philly Cheese Steak Casserole Recipe

This Easy Philly Cheese Steak Casserole is everything you love about a classic Philly cheesesteak—savory beef, gooey cheese, sweet peppers, and onions—all baked into one incredibly satisfying, oven-friendly dish. It’s a no-fuss, crowd-pleasing meal that turns simple ingredients into something crave-worthy. Perfect for hectic weeknights or cozy weekends, this casserole captures the bold flavors of the iconic sandwich in a cheesy, comforting bake that’s ready in under an hour.

Why You’ll Love This Recipe

• Quick Assembly: Minimal prep and straightforward layering mean you’ll have it in the oven in just 15 minutes.
• Big, Bold Flavor: All the iconic cheesesteak flavors in one bubbling, cheesy casserole.
• Hearty and Filling: Loaded with protein, veggies, and cheese—it’s a full meal that satisfies.
• Family Favorite: Even picky eaters tend to go back for seconds!

Ingredients You’ll Need

• Ground Beef: The classic base of this dish. Opt for lean beef for less grease, or swap with shaved steak if you’re feeling traditional.
• Bell Peppers: Adds that sweet, crisp bite. Green, red, or yellow—pick your favorite, or use a mix.
• Onions: Essential for that Philly cheesesteak flavor. Caramelize them slightly for extra sweetness.
• Garlic: Adds depth and aroma—don’t skip it.
• Cream Cheese: Makes the filling creamy and indulgent, binding everything together beautifully.
• Worcestershire Sauce: A splash goes a long way in deepening the umami flavor.
• Italian Seasoning: For subtle herby notes that lift the entire dish.
• Salt and Pepper: To season every layer properly.
• Provolone Cheese: The melty, mild star of the show. Slices work best for even coverage.
• Eggs: Help set the casserole so it holds together when sliced.
• Milk: Combines with the eggs to create a custard-like base for the casserole.

Variations

• Low-Carb Version: Skip the bread layer entirely and add more eggs and veggies for a crustless bake.
• Add Mushrooms: For extra umami, toss in some sautéed mushrooms with the peppers and onions.
• Spicy Kick: Add a diced jalapeño or a pinch of crushed red pepper for heat.
• Cheese Swap: Try mozzarella for a stringier texture or cheddar for a sharper bite.
• Steak Swap: Use thinly sliced ribeye or deli roast beef instead of ground beef for a more authentic Philly flavor.

How to Make Easy Philly Cheese Steak Casserole

Step 1: Prep the Oven and Ingredients

Preheat your oven to 375°F. Grease a casserole dish and set it aside. Dice the peppers and onions, mince the garlic, and gather your ingredients.

Step 2: Cook the Filling

In a large skillet, brown the ground beef over medium heat. Drain any excess grease. Add the diced peppers, onions, and garlic. Cook until softened and fragrant—about 5-7 minutes.

Step 3: Add Flavor and Creaminess

Stir in cream cheese, Worcestershire sauce, Italian seasoning, salt, and pepper. Mix until everything is combined and creamy. Remove from heat.

Step 4: Make the Egg Mixture

In a bowl, whisk together the eggs and milk. This will help hold everything together once baked.

Step 5: Layer the Casserole

Spread the meat and veggie mixture evenly in the prepared baking dish. Pour the egg mixture over the top. Layer slices of provolone cheese over everything.

Step 6: Bake

Bake uncovered for 30-35 minutes, or until the cheese is melted and bubbly, and the casserole is set in the middle.

Step 7: Cool and Serve

Let it rest for 5 minutes before slicing to help it set up. Serve hot and cheesy!

Pro Tips for Making the Recipe

• Drain the Beef Well: Excess grease can make the casserole soggy—take the time to drain it thoroughly.
• Use Room Temp Cream Cheese: It melts and mixes more easily with the meat and veggies.
• Don’t Overbake: The egg mixture should just be set—overbaking can dry it out.
• Let It Rest: A short rest after baking helps the casserole firm up, making it easier to slice cleanly.

How to Serve

Traditional Style:

Serve it as-is for a low-carb, gluten-free take on the classic Philly sandwich.

Sandwich It:

Spoon it into hoagie rolls or baguette slices for a quick Philly cheese steak sandwich experience.

With Sides:

Pair it with a side salad, roasted veggies, or even crispy potato wedges for a complete meal.

Top It Off:

Add a drizzle of hot sauce, some pickled jalapeños, or extra provolone if you’re feeling indulgent.

Make Ahead and Storage

Storing Leftovers

Let the casserole cool completely before transferring it to an airtight container. Store in the fridge for up to 4 days.

Freezing

This casserole freezes beautifully. Wrap tightly in foil or store in a freezer-safe container. Freeze for up to 2 months. Thaw in the refrigerator overnight before reheating.

Reheating

Warm in the oven at 350°F until heated through, or microwave individual portions. Add a little extra cheese on top before reheating for that fresh-out-of-the-oven taste.

FAQs

Can I use shaved steak instead of ground beef?
Yes! Thinly sliced steak like ribeye makes this dish even closer to a classic Philly. Just cook it quickly to avoid toughness, then continue with the recipe.

Can I make this recipe ahead of time?
Absolutely. Assemble the casserole (without baking), cover tightly, and refrigerate up to 24 hours in advance. Bake just before serving for best results.

What’s the best cheese for this casserole?
Provolone is the go-to for its meltability and mild flavor. But feel free to try mozzarella, Monterey Jack, or even American cheese if you prefer.

Is this casserole keto-friendly?
Yes! As long as you don’t serve it in a bun and use full-fat ingredients, this is a low-carb, keto-friendly recipe packed with protein and healthy fats.

Final Thoughts

This Easy Philly Cheese Steak Casserole is your ticket to a hassle-free, flavor-packed dinner that brings all the magic of the classic sandwich straight to your dinner table—with none of the mess. It’s warm, cheesy, meaty, and ready to become a new staple in your weekly meal rotation. Give it a try and watch it disappear from the plate in no time!

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