Philly Cheese Steak Casserole

Featured in: Comfort Baking

This dish features savory ribeye steak, sautéed onions, bell peppers, and mushrooms, all layered with a creamy cheese sauce and finished with a golden, crisp topping. Each bite is packed with comforting flavors and gooey cheese, making it perfect for cozy nights or sharing with loved ones. Serve warm for a filling meal that combines all the flavors of a classic Philly cheesesteak in a delicious baked format.

Updated on Tue, 07 Oct 2025 14:30:15 GMT
Philly Cheese Steak Casserole fresh from the oven, gooey cheese bubbling over golden topping. Save
Philly Cheese Steak Casserole fresh from the oven, gooey cheese bubbling over golden topping. | butterhearth.com

This Philly Cheese Steak Casserole brings all the beloved flavors of the classic sandwich into a bubbling, cheesy bake. Think tender ribbons of steak, caramelized peppers and onions, and golden topping layered together for the ultimate comfort meal. Whether it is a cozy weeknight, a potluck, or just a craving for something hearty, this is one of those dishes everyone goes back for seconds.

The first time I tried this, it instantly transported me to my favorite sandwich spot. Now, even the pickiest eaters at my table ask for it every month—it makes dinner feel like a treat, not a chore.

Ingredients

  • Ribeye steak or thinly sliced beef: Brings rich flavor and stays juicy Look for nicely marbled cuts or pre-sliced for convenience
  • Large onion: Adds sweetness and depth Choose onions with tight skin and firm feel
  • Green and red bell peppers: Provide color and a crisp, fresh bite Pick peppers that are glossy and heavy for size
  • Garlic: Gives aroma and punch Use fresh cloves for maximum flavor
  • Mushrooms: Brings earthiness and meaty texture Optional but highly recommended for an extra layer
  • Shredded provolone cheese or mozzarella: Melts perfectly and adds gooeyness Buy in blocks for the best melt
  • Cream cheese: Lends creaminess and subtle tang Let it fully soften for smooth blending
  • Mayonnaise: Helps bind the sauce and adds richness Go for real mayo rather than low fat
  • Beef broth: Deepens the beefy undertone Low sodium broth gives control over salt
  • Worcestershire sauce: Adds savory umami and complexity Use a splash more if you like
  • Salt and black pepper: Brightens and seasons every layer Always taste for balance
  • Garlic powder and onion powder: Backs up the fresh aromatics Pick quality blends for more flavor
  • Cooked pasta (optional): Optional for a filling meal Use any short pasta that holds sauce
  • Crushed crackers or breadcrumbs: Supplies irresistible crunch Choose panko for extra crispy or buttery crackers for richness
  • Butter: Helps brown the topping and ties it together Melt before mixing so crumbs stay light

Instructions

Preheat the Oven:
Set your oven to 350°F or 175°C and grease a 9x13 inch baking dish This ensures nothing sticks and promotes even cooking
Cook the Steak:
Lay slices of ribeye into a hot skillet over medium heat Cook just until brown and cooked through Remove them so they stay tender not chewy
Sauté the Vegetables:
In the same pan add onions bell peppers mushrooms if using and garlic Let these slowly soften for 5 to 7 minutes Season generously with salt black pepper garlic powder and onion powder They should turn sweet and fragrant
Prepare the Cheese Mixture:
Mix softened cream cheese mayonnaise beef broth and Worcestershire sauce in a bowl Stir until silky and completely smooth This makes the luscious sauce that brings everything together
Assemble the Casserole:
Layer the cooked steak and sautéed veggies into your prepped baking dish If you are using pasta fold it in now Pour the cheese sauce over top and spread to fill every nook Scatter on a thick blanket of shredded provolone or mozzarella
Add the Topping:
Combine crushed crackers or breadcrumbs with melted butter in a small bowl Mix so everything gets a bit glossy Sprinkle this evenly over the cheese layer for the classic casserole crunch
Bake:
Slide the casserole onto the center rack in your oven Bake for 25 to 30 minutes Watch for the cheese to bubble up and the topping to turn golden Let it rest a few minutes before slicing this helps it settle and makes serving easier
Sliced Philly Cheese Steak Casserole showing tender steak, sautéed peppers, and creamy melted cheese layers. Save
Sliced Philly Cheese Steak Casserole showing tender steak, sautéed peppers, and creamy melted cheese layers. | butterhearth.com

One bite of the buttery crunchy topping with gooey cheese underneath always takes me back to football night gatherings with my siblings This casserole is requested every time my dad visits because he insists nothing tastes more like comfort and home

Storage Tips

This casserole is just as delicious the next day Cover the dish with foil or transfer to airtight containers and refrigerate for up to four days To reheat try using the oven at 325°F for about 10 to 15 minutes so the topping stays crunchy A quick zap in the microwave works too but cover to prevent drying

Ingredient Substitutions

Swap ribeye for whatever steak you have even rotisserie chicken in a pinch Provolone and mozzarella can be interchanged or use a sharp cheddar for a bolder bite If short on beef broth sub in chicken broth Instead of mayonnaise try thick Greek yogurt for a tangier twist

Serving Suggestions

Pair this casserole with a crisp green salad or simple roasted vegetables I also love to serve warm crusty bread for sopping up the extra cheesy sauce For a fun party twist scoop portions into toasted rolls for handheld Philly cheese steak bakes

Cultural and Historical Context

The casserole inspiration comes straight from the legendary Philly cheese steak sandwich so popular in Philadelphia street food The layering process echoes the way these sandwiches are made hot off a grill and smothered with cheese The casserole format lets you enjoy the flavors with less fuss before gathering at the table

Seasonal Adaptations

Fresh summer peppers from the farmers market taste exceptionally sweet Use mushrooms in autumn for an earthier flavor boost Swap in fresh herbs from your garden in spring for a burst of freshness

Success Stories

Readers report making this for sports nights and getting rave reviews from kids and grownups alike One friend doubled the recipe for a neighborhood potluck and came home with an empty dish Try prepping the veggies ahead of time to make this a weeknight hero

Freezer Meal Conversion

This casserole freezes well Prepare the dish up to the point you add the topping Let cool and freeze tightly wrapped Thaw overnight and add the topping before baking fresh To revive that crisp edge bake uncovered until hot through

Philly Cheese Steak Casserole served hot in a baking dish, crispy breadcrumb topping and steam rising. Save
Philly Cheese Steak Casserole served hot in a baking dish, crispy breadcrumb topping and steam rising. | butterhearth.com

Let this Philly Cheese Steak Casserole become your new comfort classic With its easy steps and crowd pleasing flavors it is sure to earn a spot in your dinner rotation

Recipe Questions

What type of steak works best?

Ribeye steak or any thinly sliced beef offers tenderness and rich flavor for optimal results.

Can I substitute the cheese?

Yes, provolone or mozzarella are great options, but you can also try Monterey Jack or cheddar for different flavor profiles.

Is it necessary to use both red and green bell peppers?

Using both adds color and flavor, but you can use just one type based on preference or availability.

How do I make the topping extra crispy?

Mixing crushed crackers or breadcrumbs with melted butter ensures a golden, crunchy finish after baking.

Is pasta required in this dish?

Pasta is optional for extra heartiness. The dish works equally well without it for a lower-carb version.

How can leftovers be stored?

Store covered in the refrigerator for up to 3 days. Reheat in the oven for best texture.

Philly Cheese Steak Casserole

Tender steak, gooey cheese, sautéed veggies, and crispy topping make this a comforting, flavor-packed meal.

Prep duration
25 min
Time to cook
30 min
Complete duration
55 min
Created by Grace Mitchell


Skill Level Medium

Heritage American

Output 8 Portions

Dietary considerations None specified

Components

Main Components

01 1 pound ribeye steak or thinly sliced beef
02 1 large onion, sliced
03 1 green bell pepper, sliced
04 1 red bell pepper, sliced
05 2 cloves garlic, minced
06 8 ounces mushrooms, sliced (optional)

Dairy and Cheese Layer

01 2 cups shredded provolone cheese or mozzarella
02 4 ounces cream cheese, softened

Sauce and Seasoning

01 1/2 cup mayonnaise
02 1/4 cup beef broth
03 1 teaspoon Worcestershire sauce
04 1/2 teaspoon salt
05 1/2 teaspoon black pepper
06 1 teaspoon garlic powder
07 1/2 teaspoon onion powder

Optional Additions

01 2 cups cooked pasta

Topping

01 1/2 cup crushed crackers or breadcrumbs
02 2 tablespoons butter, melted

Directions

Stage 01

Preheat Oven: Set oven to 350°F (175°C) and lightly grease a 9x13-inch baking dish.

Stage 02

Sear the Steak: In a large skillet over medium heat, brown the thinly sliced ribeye steak until fully cooked. Remove steak from pan and set aside.

Stage 03

Sauté Aromatics and Vegetables: Using the same skillet, add onions, green and red bell peppers, mushrooms if desired, and minced garlic. Sauté for 5–7 minutes, stirring occasionally, until vegetables soften. Season with salt, black pepper, garlic powder, and onion powder.

Stage 04

Blend Creamy Mixture: In a mixing bowl, combine softened cream cheese, mayonnaise, beef broth, and Worcestershire sauce. Stir until smooth and fully incorporated.

Stage 05

Assemble Casserole Layers: Add cooked steak and sautéed vegetables to the prepared baking dish. Fold in cooked pasta, if using. Evenly spread the cream cheese mixture on top. Sprinkle shredded provolone or mozzarella cheese across the surface.

Stage 06

Apply Crunchy Topping: Combine crushed crackers or breadcrumbs with melted butter in a small bowl. Evenly distribute over the cheese layer.

Stage 07

Bake to Finish: Bake uncovered for 25–30 minutes, or until cheese is melted, bubbly, and topping is golden brown.

Stage 08

Rest and Serve: Allow casserole to rest for several minutes before portioning. Serve warm for optimal flavor and texture.

Necessary tools

  • Large skillet
  • Mixing bowl
  • 9x13-inch baking dish
  • Oven

Allergy details

Review each component for potential allergens and consider consulting with a healthcare provider if you're unsure about certain ingredients.
  • Contains milk and dairy products from cheese and cream cheese.
  • Contains eggs and soy from mayonnaise.
  • Contains wheat and gluten in pasta, crackers, or breadcrumbs.

Nutritional information (per portion)

These values are estimates only and shouldn't replace professional medical guidance.
  • Energy Value: 420
  • Fats: 32 g
  • Carbohydrates: 15 g
  • Protein Content: 22 g