Philly cheesesteak casserole low carb delivers unbeatable flavor with a healthy twist. This hearty dish combines juicy ground beef, sweet bell peppers, tender onions, and creamy melted provolone cheese on a bed of low-carb cauliflower rice. It’s thick, savory, and irresistibly creamy—perfect for satisfying your cravings without compromising your goals.

We developed this recipe to be a health-conscious reinvention of a comfort food classic. By swapping out carb-heavy bread for cauliflower rice and using lean ground beef, we’ve turned the iconic Philly cheesesteak into a nutritious meal your whole family will love. Packed with protein and brimming with flavor, this casserole is naturally gluten-free, keto-friendly, and comes together in just 30 minutes!
Why This Philly Cheesesteak Casserole Low Carb Is Good for You
- Low in carbs: With cauliflower rice replacing traditional carb-heavy ingredients, this dish keeps net carbs low without sacrificing texture or flavor.
- Protein-packed: Lean ground beef provides over 30 grams of protein per serving, making it satisfying and energizing.
- Nutrient-rich veggies: Bell peppers and onions add fiber, antioxidants, and essential vitamins like C and B6.
- Keto and gluten-free: Naturally fits into keto diets and is safe for those avoiding gluten.
- Customizable: Easy to adapt for vegetarian or dairy-free diets (see options below).
Wholesome Ingredients for This Philly Cheesesteak Casserole Low Carb
The magic of this dish is in the ingredients—each one chosen for flavor, nutrition, or both. Here’s a closer look at a few stars:
- Ground beef: Choose lean ground beef like 93/7 to keep saturated fat lower while ensuring rich, meaty flavor. Sub ground turkey or chicken for an even leaner option.
- Cauliflower rice: A perfect low-carb swap for traditional rice or pasta. Look for frozen bags to save time, or pulse fresh cauliflower florets in a food processor until rice-sized.
- Bell peppers: A mix of red and green bell peppers adds natural sweetness, crunch, and key nutrients like beta carotene and vitamin C.
- Provolone cheese: Essential for that classic Philly cheesesteak flavor. For a dairy-free swap, try a cashew-based cheese alternative.
Philly Cheesesteak Casserole Low Carb Recipe Details
- Servings: 6 – 8 servings
- Prep time: 10 minutes
- Cook time: 20 minutes
- Total time: 30 minutes
Ingredients for Philly Cheesesteak Casserole Low Carb
- 2 lbs lean ground beef (ground sirloin or 93/7 ground beef)
- 1 medium red bell pepper, thinly sliced (about 1 – 1½ inches long)
- 1 medium green bell pepper, thinly sliced (about 1 – 1½ inches long)
- 1 medium yellow onion, diced
- 3 garlic cloves, minced
- ½ teaspoon fine salt
- ¼ teaspoon black pepper
- 1½ teaspoons dried Italian seasoning
- 1 teaspoon paprika
- 3 cups frozen cauliflower rice (10-ounce bag)
- 8 ounces cream cheese (full-fat or Neufchâtel)
- 6 – 7 ounces sliced provolone cheese (9-10 slices or 1 package)
- Chopped fresh parsley, optional for garnish
How to Make Philly Cheesesteak Casserole Low Carb
- Preheat your oven to 350°F (175°C).
- In a large oven-safe skillet over medium heat, brown the ground beef with the sliced red and green bell peppers, diced onion, and minced garlic. Break the beef into crumbles as it cooks, about 8–10 minutes.
- Once the beef is cooked through and the veggies are softened, reduce the heat to low. Stir in the salt, pepper, Italian seasoning, and paprika until evenly mixed.
- Add the frozen cauliflower rice and cream cheese to the skillet. Stir until the cream cheese melts and everything is well combined.
- Spread the mixture evenly and layer the provolone cheese slices across the top, fully covering the surface.
- Transfer the skillet to the preheated oven and bake for 10–12 minutes, or until the cheese is fully melted and starting to bubble.
- Remove the skillet from the oven and let the casserole rest for 5–10 minutes before serving.
- Garnish with fresh parsley, if desired, for a pop of color and flavor. Serve immediately and enjoy!
How to Customize This Philly Cheesesteak Casserole Low Carb for Your Diet
- Dairy-free: Swap cream cheese for a vegan cream cheese alternative and use dairy-free provolone slices or omit entirely.
- Keto upgrades: Add more fat by incorporating a sprinkle of shredded cheddar on top of the provolone or drizzle with heavy cream.
- Vegetarian: Replace ground beef with plant-based ground meat or use additional sautéed mushrooms for texture and richness.
- Lower calorie: Use 99% lean ground turkey and reduced-fat cream cheese to cut down on calories and fat.
Our Team’s Tips for the Best Philly Cheesesteak Casserole Low Carb
- Choose the right skillet: A large oven-safe skillet is ideal for fewer dishes. If you don’t have one, transfer the mixture to a 9×13 baking dish after Step 4.
- Season generously: Ground beef needs bold flavors, so don’t skimp on the spices.
- Make it ahead: Prepare the casserole up to Step 5, then refrigerate. Add the cheese and bake when ready to serve.
- Storage tips: Keep leftovers in an airtight container in the refrigerator for up to 4 days or freeze for up to 3 months.
- Reheating: Reheat individual portions in the microwave or the entire dish in the oven at 300°F until warmed through.
Philly Cheesesteak Casserole Low Carb FAQs
Can I make this casserole ahead of time?
Yes! Prepare the casserole up to Step 5, cover it tightly, and refrigerate. Add the cheese just before baking for the freshest results.
What are good side dishes for this casserole?
Try a simple green salad or steamed broccoli for a light, veggie-packed pairing that complements the richness of the dish.
Is this recipe keto-friendly?
Absolutely! With just 12 grams of carbs per serving, this casserole fits well within most keto guidelines. You can also add extra fat if needed!
Can I use fresh cauliflower instead of frozen rice?
Yes! Simply pulse fresh cauliflower florets in a food processor until the texture resembles rice, then use as instructed.
What type of ground beef works best?
We recommend using 93/7 lean ground beef to balance flavor and fat content. Ground sirloin is also a great option.
This Philly cheesesteak casserole low carb is more than just a dinner—it’s a celebration of flavor and nutrition. We’d love to hear how you adapt it to suit your goals. What dietary swaps do you enjoy most? Share your tips in the comments below!

Philly cheesesteak casserole low carb
Ingredients
- 2 lbs lean ground beef (ground sirloin or 93/7 ground beef)
- 1 medium red bell pepper, thinly sliced (about 1 – 1½ inches long)
- 1 medium green bell pepper, thinly sliced (about 1 – 1½ inches long)
- 1 medium yellow onion, diced
- 3 cloves garlic, minced
- ½ teaspoon fine salt
- ¼ teaspoon black pepper
- 1½ teaspoons dried Italian seasoning
- 1 teaspoon paprika
- 3 cups frozen cauliflower rice (10-ounce bag)
- 8 ounces cream cheese (full-fat or Neufchâtel)
- 6 – 7 ounces sliced provolone cheese (9-10 slices or 1 package)
- Chopped fresh parsley, optional for garnish
Instructions
- Preheat your oven to 350°F (175°C).
- In a large oven-safe skillet over medium heat, brown the ground beef with the sliced red and green bell peppers, diced onion, and minced garlic. Break the beef into crumbles as it cooks, about 8–10 minutes.
- Once the beef is cooked through and the veggies are softened, reduce the heat to low. Stir in the salt, pepper, Italian seasoning, and paprika until evenly mixed.
- Add the frozen cauliflower rice and cream cheese to the skillet. Stir until the cream cheese melts and everything is well combined.
- Spread the mixture evenly and layer the provolone cheese slices across the top, fully covering the surface.
- Transfer the skillet to the preheated oven and bake for 10–12 minutes, or until the cheese is fully melted and starting to bubble.
- Remove the skillet from the oven and let the casserole rest for 5–10 minutes before serving.
- Garnish with fresh parsley, if desired, for a pop of color and flavor. Serve immediately and enjoy!
