Philly Cheesesteak Casserole – Cheesy, Hearty & Comfort Food Favorite

If you’re craving a rich, cheesy, and satisfying meal, Philly Cheesesteak Casserole is the perfect comfort food to add to your recipe collection. Inspired by the classic Philly cheesesteak sandwich, this casserole transforms all those bold flavors—savory beef, sautéed peppers and onions, and melted cheese—into an easy, oven-baked dish.

Perfect for weeknight dinners, meal prep, or feeding a hungry family, this recipe is simple to make yet incredibly flavorful.

Why You’ll Love This Recipe

This Philly cheesesteak casserole is a must-try for so many reasons:

Quick and easy to prepare
Loaded with cheesy goodness
Family-friendly and filling
Low-carb option (no bread needed)
Perfect for leftovers and meal prep

Ingredients You’ll Need

To make this delicious casserole, you’ll need:

1 lb ground beef or thinly sliced steak
1 tablespoon olive oil
1 onion, thinly sliced
1–2 bell peppers, sliced (any color)
3 cloves garlic, minced
4 oz cream cheese, softened
½ cup beef broth
1 tablespoon Worcestershire sauce
1 to 1½ cups provolone cheese or mozzarella (shredded or sliced)
Salt and black pepper, to taste

Optional add-ins: mushrooms, jalapeños, or even a sprinkle of Italian seasoning for extra flavor.

Step-by-Step Instructions

Step 1: Preheat the Oven

Preheat your oven to 375°F (190°C). Lightly grease a baking dish and set it aside.

Step 2: Cook the Beef

Heat olive oil in a large skillet over medium heat
Add the ground beef or sliced steak
Cook until browned and fully cooked
Drain excess grease if necessary

This step builds the base of your casserole with rich, savory flavor.

Step 3: Sauté the Vegetables

Add sliced onions, bell peppers, and minced garlic to the skillet
Cook for about 5–7 minutes until softened and fragrant

The vegetables add sweetness and texture that balance the richness of the beef.

Step 4: Make It Creamy

Lower the heat and add cream cheese
Pour in beef broth and Worcestershire sauce
Stir continuously until everything is melted, smooth, and well combined

You’ll get a creamy, flavorful mixture that ties all the ingredients together.

Step 5: Assemble the Casserole

Transfer the beef and vegetable mixture into the prepared baking dish
Spread it evenly
Top generously with provolone or mozzarella cheese

Step 6: Bake to Perfection

Place the dish in the oven
Bake for 15–20 minutes, or until the cheese is melted, bubbly, and slightly golden

Step 7: Serve and Enjoy

Remove from the oven and let it cool slightly
Serve warm and enjoy the cheesy, hearty goodness

Serving Suggestions

This casserole is delicious on its own, but you can pair it with:

Garlic bread or toasted rolls
A fresh green salad
Roasted vegetables
Rice, pasta, or even mashed potatoes

Tips for the Best Philly Cheesesteak Casserole

Use thinly sliced ribeye steak for a more authentic flavor
Don’t overcook the vegetables—they should stay slightly tender
Add mushrooms for a classic cheesesteak twist
For extra cheesiness, mix cheeses (provolone + mozzarella)
Broil for 2–3 minutes at the end for a golden crust

Storage & Reheating

Refrigerator:
Store leftovers in an airtight container for up to 4 days.

Freezer:
Freeze for up to 2 months. Thaw overnight before reheating.

Reheating:
Reheat in the oven or microwave until hot and bubbly.

Final Thoughts

Philly Cheesesteak Casserole is the ultimate comfort food—rich, cheesy, and incredibly satisfying. It takes everything you love about the classic sandwich and turns it into a warm, oven-baked dish that’s easy to prepare and perfect for sharing.

Whether you’re cooking for your family or just want a cozy meal, this recipe is guaranteed to become a regular favorite in your kitchen.