A cheesy, savory, and carb-conscious twist on the classic Philly cheesesteak!
If you’re craving the rich, savory flavors of a Philly cheesesteak without the bread, this Low Carb Philly Cheesesteak Casserole is the ultimate comfort food. It’s packed with seasoned ground beef, tender bell peppers and onions, a creamy layer of melted cheese, and all the classic flavors you love—minus the carbs.
I first made this on a chilly autumn afternoon when I wanted something hearty but low-carb. It’s now a weeknight favorite in my kitchen because it’s:
- Quick to assemble – minimal prep and simple steps.
- Family-friendly – cheesy, savory, and satisfying for everyone.
- Low carb and keto-friendly – all the flavor without the bread.
- Make-ahead friendly – perfect for busy nights or meal prep.
Ingredients You’ll Need
- 2 lbs ground beef – Choose 80/20 for the juiciest, most flavorful casserole.
- 1 large onion, diced – Sweet onions caramelize beautifully and enhance flavor.
- 2 large bell peppers, diced – Use green, red, or a mix for a pop of color and sweetness.
- 2 cloves garlic, minced – Adds a bold, savory aroma.
- 8 oz cream cheese – Creates that luscious, creamy base.
- 2 tbsp Worcestershire sauce – Deepens the savory, meaty flavor.
- Salt & pepper – To taste, for perfect seasoning.
- 8 oz provolone cheese, sliced – For that classic cheesesteak melt.
- 1 ½ cups mozzarella cheese, shredded – Adds stretch and creaminess.
- 1 tbsp olive oil – For sautéing veggies.
Step-by-Step Instructions
1. Preheat the oven.
Heat to 350°F (175°C) and lightly spray a 9×13-inch baking dish with nonstick spray.
2. Sauté the vegetables.
In a large skillet, heat olive oil over medium heat. Add onions and bell peppers and cook for 5–6 minutes until slightly softened. Stir in garlic and cook for 30 seconds until fragrant.
3. Brown the beef.
Add ground beef to the skillet. Season with salt and pepper and cook for 7–8 minutes, breaking it up as it browns. Drain excess fat if needed.
4. Add flavor and creaminess.
Stir in Worcestershire sauce, then reduce heat to low and mix in the cream cheese until fully melted and combined.
5. Assemble the casserole.
Transfer the beef and vegetable mixture to your prepared baking dish. Spread evenly.
6. Add the cheesy topping.
Layer provolone slices over the beef mixture, then sprinkle shredded mozzarella evenly on top.
7. Bake to perfection.
Bake uncovered for 20–25 minutes, until the cheese is melted, bubbly, and lightly golden.
8. Rest and serve.
Let the casserole sit for 5 minutes to set before serving. This helps the flavors meld and makes serving easier.
Expert Tips & Variations
- Make it ahead: Assemble up to 24 hours in advance and refrigerate; bake when ready.
- Dairy-free: Swap cream cheese and cheese for plant-based alternatives.
- Vegetarian: Replace beef with sautéed mushrooms or eggplant.
- Spicy kick: Add diced jalapeños or crushed red pepper for heat.
- Meal prep friendly: Freeze individual portions for easy lunches or dinners.
Serving Suggestions
Pair your Low Carb Philly Cheesesteak Casserole with:
- Cauliflower rice – Keeps it low carb and soaks up the creamy sauce.
- Green salad or roasted vegetables – Adds freshness and balance.
- Garlic butter asparagus or broccoli – Perfectly complements the cheesy, meaty flavors.
Storage & Reheating
- Fridge: Store in an airtight container up to 4 days.
- Freezer: Wrap tightly and freeze up to 2 months.
- Reheat: Oven at 325°F for 15–20 minutes for the best texture.
This Low Carb Philly Cheesesteak Casserole is the ultimate combination of cheesy comfort and easy weeknight convenience. Whether you’re following a low-carb lifestyle or simply looking for a hearty dinner everyone will devour, this casserole will quickly become a regular in your meal rotation.