Philly Cheesesteak Casserole

I’m so happy you’re here today, because this recipe is one I’ve been itching to share! Philly Cheesesteak Casserole takes all the melty, cheesy, beefy goodness of a classic Philly and transforms it into the easiest weeknight casserole — hearty, comforting, and absolutely bursting with flavor. Thank you for stopping by and cooking with me again. It truly means the world to share these cozy, satisfying dishes with you.

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Why You’ll Love This Philly Cheesesteak Casserole Recipe

This casserole is everything you crave in a cheesesteak: tender beef, sautéed onions and peppers, gooey cheese, and buttery richness. But in casserole form, it’s even easier — no slicing rolls, no stovetop juggling. I promised you simple comfort food… and here’s proof! Anything but boring!!

It’s also perfect for meal prep, family dinners, potlucks, and cozy nights in.

What Does Philly Cheesesteak Casserole Taste Like?

Imagine layers of savory ground beef or shaved steak, sweet caramelized onions, colorful peppers, mushrooms, and a creamy, cheesy sauce baked to golden perfection. Every bite tastes like a warm, cheesy hug — hearty, rich, and insanely comforting. And the smell while it’s baking? Absolutely incredible!!

Benefits of This Recipe

• One-pan comfort meal
• Easy prep — ready in under an hour
• Kid-friendly and crowd-pleasing
• Low-carb option included
• Customizable with different cheeses and veggies
• Perfect for leftovers or meal planning

Ingredients for Philly Cheesesteak Casserole

• 1 lb ground beef or thinly shaved steak
• 1 tablespoon olive oil
• 1 medium onion, sliced
• 1 green bell pepper, sliced
• 1 red bell pepper, sliced
• 1 cup sliced mushrooms (optional but delicious!)
• 2 cloves garlic, minced
• 1 teaspoon salt
• ½ teaspoon black pepper
• 1 teaspoon Worcestershire sauce
• 4 oz cream cheese
• 1 cup shredded provolone or mozzarella
• 1 cup shredded cheddar or Monterey Jack
• Optional topping: crushed toasted bread, toasted bagel pieces, or low-carb bread crumbs
• Optional herbs: parsley or chives

Tools You’ll Need

• Large skillet
• Casserole dish (8×8 or 9×13)
• Wooden spoon
• Measuring spoons/cups
• Knife and cutting board
• Oven

Ingredient Additions and Substitutions

Additions

• Sliced jalapeños for heat
• Hot sauce in the mixture
• Caramelized onions instead of sautéed
• Pepper jack cheese for spice
• Crispy fried onions on top

Substitutions

• Ground beef → Ground turkey or chicken
• Provolone → Swiss, mozzarella, or white American cheese
• Cream cheese → Sour cream for a lighter texture
• Peppers → Add zucchini or spinach to make it veggie-heavy
• Bread topping → Crushed pork rinds for low-carb

How to Make Philly Cheesesteak Casserole

Step 1 — Cook the Beef

Heat olive oil in a skillet over medium heat. Add ground beef or shaved steak. Cook until browned. Drain excess fat.

Step 2 — Sauté the Veggies

Add onions, peppers, mushrooms, and garlic to the skillet. Cook 5–7 minutes until soft and fragrant.

Step 3 — Season

Stir in salt, pepper, and Worcestershire sauce.

Step 4 — Add Creaminess

Mix in the cream cheese until melted and fully combined with the beef mixture.

Step 5 — Transfer to Casserole Dish

Spread the mixture evenly in your casserole dish.

Step 6 — Add Cheese

Top with provolone and cheddar. Add optional bread crumb topping if desired.

Step 7 — Bake

Bake at 375°F (190°C) for 15–20 minutes, or until the cheese is bubbly and golden.

Step 8 — Serve

Garnish with parsley, slice, and enjoy warm!

What to Serve with Philly Cheesesteak Casserole

• Garlic bread or dinner rolls
• Side salad
• Roasted vegetables
• Air fryer potatoes
• Buttered noodles
• Steamed broccoli or green beans

Storage Instructions

• Refrigerator: Up to 4 days
• Freezer: Up to 3 months (freeze before baking for best texture)
• Reheat: Bake at 350°F for 10–15 minutes or microwave individual servings

General Information

• Prep time: 10 minutes
• Cook time: 35 minutes
• Total time: 45 minutes
• Servings: 6

Conclusion

This Philly Cheesesteak Casserole is warm, cheesy, savory comfort at its best — the perfect blend of easy cooking and bold flavor. It’s the kind of recipe that brings the whole family running to the table, and I hope it becomes one of your go-to weeknight favorites.

If you love cozy, hearty recipes like this, don’t miss my other casserole dishes and some peach-infused savory favorites!

Share the Love!

If you make this casserole, please leave a review and share your photos on Pinterest — seeing your creations truly brightens my day!

Nutritional Information (per serving, approx.)

• Calories: 380
• Protein: 26g
• Fat: 27g
• Carbs: 7g
• Fiber: 1g
• Sugar: 3g

Would you like a printable recipe card or a low-carb version written out separately?