Philly Cheesesteak Casserole

Enjoy all the flavors of a classic Philly cheesesteak in a convenient casserole. This easy, hearty dish is perfect for a quick and satisfying dinner.

Who wants a mouthwatering Philly Cheesesteak Casserole, loaded with tender beef, savory onions, peppers, and gooey melted cheese, all baked to perfection? I got you! This easy Philly casserole comes together on the stove-top and gets broiled to cheesy perfection for a dinner that everyone will love.

Cast iron skillet with a creamy, baked dish topped with melted, browned cheese. Sliced green bell peppers and mushrooms are on a cutting board nearby. A spoon rests in the skillet.

Listen, I’ve been to Philly, is this the SAME as a Philly cheesesteak? No. Is good enough? YES. Yes. Yes. For people NOT from Philly and not expecting this recipe to be the SAME then you’ll love this casserole.

Ingredients for a Philly Cheesesteak Casserole arranged on a white surface: sliced onions, green bell peppers, raw beef strips, mushrooms, cheese slices, olive oil, minced garlic, ground pepper, and a small bowl of sauce.

What you need to make a Philly Cheesesteak Casserole

  • vegetable oil
  • yellow onion
  • green bell peppers, feel free to use any sweet bell peppers
  • beef, I used thinly sliced sirloin
  • cremini mushrooms
  • Worcestershire sauce
  • cream cheese
  • minced garlic
  • salt
  • pepper
  • sliced provolone cheese
A plate of baked casserole with melted cheese, slices of vegetables, and pieces of meat on a white speckled dish, with a fork on the side.

What Kind Of Beef?

For this recipe I used sirloin steak, sliced thinly. You want to start with something tender this isn’t the recipe to use a tough cut of meat. Any chuck, brisket, round steak will be too tough for this recipe. You’re very briefly stir-frying the beef so there’s just no room to fool around with tough meat.

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Can you use ground beef? You could, I think it would work out fine. The results would be more like a sloppy philly joe. YUM.

Adapt this recipe!

The best part of this casserole is that it’s adaptable. You can serve it with anything you like or prefer.

Serve over rice, pasta, or mashed potatoes. Or go classic and serve it with rolls for sandwiches or just over white bread.

Want it saucier? Add more cream cheese. Add extra provolone if you need it even cheesier. Serve it over grains or a green salad for a unique take.

Take this recipe and make it yours, you won’t be sorry!

A close-up of a fork holding a bite of creamy pasta with steak pieces and herbs. A plate of the dish is in the background.

Got leftovers?

You’re lucky! Philly cheesesteak casserole makes excellent leftovers. Simply store in an airtight container in the fridge for 3-4 days. Reheat as desired to enjoy.

Use this recipe to meal prep!

Make this recipe all the way through. Once complete divide between 6 meal prep containers. Freeze several to have in a few weeks, and enjoy the rest throughout the week.

A cast iron skillet filled with a baked creamy dish topped with melted, browned cheese and garnished with chopped herbs, placed beside a cutting board with green bell pepper slices and mushrooms.

Philly Cheesesteak Casserole

5 from 2 votes
Enjoy all the flavors of a classic Philly cheesesteak in a convenient casserole. This easy, hearty dish is perfect for a quick and satisfying dinner.
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Servings: 6 Servings
Calories: 387kcal
Author: Laura
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Ingredients

  • 1 Tablespoon oil
  • 1 yellow onion sliced
  • 2 green bell peppers sliced
  • 1 ½ lbs sliced beef sliced to about ⅛ inch thick
  • 8 oz. cremini mushrooms sliced
  • 2 Tablespoons worcestershire sauce
  • 4 oz. cream cheese
  • 4 cloves garlic minced
  • ¾ teaspoon salt
  • ½ teaspoon pepper
  • 8 oz. sliced provolone cheese

Serve With Anyone Of The Following

  • mashed potatoes
  • pasta
  • rice
  • rolls

Instructions

  • Add oil to a skillet over medium heat
  • Once oil is hot enough to sizzle slightly when a drop of water hits it, add the onions, and stir fry until softened
    Sliced onions frying in a black cast iron skillet on a white marble surface create the perfect aroma for your upcoming Philly Cheesesteak Casserole.
  • Add peppers, and continue stir frying until peppers are beginning to soften as well
    A cast iron skillet on a white surface contains sliced green bell peppers and onions, perfect ingredients for a Philly Cheesesteak Casserole.
  • Remove peppers and onions, and add beef (Note: if the skillet is dry after removing onions and peppers, add another tablespoon of oil)
    A cast iron skillet with sautéed green bell peppers and onions, reminiscent of a Philly Cheesesteak Casserole, sits invitingly on a white surface.
  • Stir fry beef until mostly browned, then add mushrooms, and continue cooking until beef is done, and mushroom is softened
    A cast iron skillet filled with raw, thinly sliced beef on a white marble countertop, ready to be transformed into a delicious Philly Cheesesteak Casserole.
  • Stir in peppers and onions, worcestershire sauce, garlic, salt, and pepper, until cream cheese is fairly well incorporated. This should just take a bit of stirring as the cream cheese will begin to melt.
    A cast iron skillet contains sautéed green bell peppers, onions, sliced mushrooms, beef strips, and dollops of cream cheese, creating a rich Philly Cheesesteak Casserole.
  • Cover with sliced provolone, and broil over low heat until cheese is melted and beginning to bubble
    A cast iron skillet filled with Philly Cheesesteak Casserole ingredients, topped with a layer of circular slices of cheese, rests on a white marble surface.
  • Remove from oven and serve hot
    An overhead view of a cast iron skillet filled with a baked cheesy Philly Cheesesteak Casserole dish topped with chopped herbs, resting on a white marble surface.

Nutrition

Serving: 1 serving | Calories: 387kcal | Carbohydrates: 9g | Protein: 37g | Fat: 23g | Saturated Fat: 12g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Trans Fat: 0.01g | Cholesterol: 110mg | Sodium: 2.41mg | Potassium: 716mg | Fiber: 1g | Sugar: 4g | Vitamin A: 739IU | Vitamin C: 86mg | Calcium: 647mg | Iron: 3mg

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5 from 2 votes

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