If there’s one dinner recipe that feels like a warm hug on a chilly evening, it’s this Cheesy Low Carb Philly Cheesesteak Casserole. The comforting flavors of tender beef, sautéed peppers and onions, and melty cheese come together in a way that feels downright indulgent—but without the carb overload.
We first made this dish on a whim, inspired by our love of classic Philly cheesesteaks but with a low-carb spin. One bite, and it was a keeper! Whether you’re looking for an easy keto family meal or a satisfying low-calorie weeknight dinner, this casserole is a game-changer. It’s hearty, full of flavor, and simple enough to whip up on even your busiest weeknights.
Let’s get cooking!
Quick Look at What’s Inside
Tips for the Perfect Low Carb Philly Cheesesteak Casserole
When it comes to this low carb Philly cheesesteak recipe, we’ve learned a few tricks in our test kitchen to make it even more delicious and stress-free. Here are our best tips:
- Choose the right beef: We recommend using thinly sliced ribeye or shaved steak for authentic Philly cheesesteak vibes. If you can’t find that, ground beef works great too—it’s budget-friendly and cooks up quickly.
- Don’t skimp on the cheese: A mix of provolone and mozzarella gives this casserole that signature gooey, cheesy topping. If you’re a fan of a little kick, try adding a sprinkle of pepper jack cheese too!
- Use fresh veggies for the best flavor: Bell peppers and onions are the stars here, so pick vibrant, fresh ones for the tastiest results. We love using a mix of green and red bell peppers for a pop of color.
- Skip the carbs, but not the crunch: If you’re missing the “bread” element of a traditional cheesesteak, try sprinkling a handful of crushed lamb rinds on top before baking. It adds a satisfying crunch without the carbs!
Nutrition Benefits of Our Low Carb Cheesesteak Casserole
As nutrition enthusiasts, we love that this casserole isn’t just delicious—it’s packed with nutrients to fuel your day. Let’s break it down:
- Protein power: With a hearty serving of beef and cheese, this dish is loaded with protein to keep you satisfied and support muscle health.
- Low-carb veggies: Bell peppers and onions are rich in antioxidants like vitamin C and quercetin, which support a healthy immune system and reduce inflammation.
- Healthy fats: The cheese and olive oil in this recipe provide healthy fats that help you feel full while supporting brain and heart health.
This casserole is perfect for those following a keto or low-carb lifestyle, but it’s truly a balanced dinner that anyone can enjoy.
What You’ll Need for This Low Carb Cheesesteak Dinner
Here’s everything you’ll need to make this easy, cheesy dinner. It’s a short and simple list, which makes it perfect for busy nights:
- 1 tablespoon olive oil
- 1 pound thinly sliced ribeye, shaved steak, or ground beef
- 1 medium onion, thinly sliced
- 2 medium bell peppers, thinly sliced (use green, red, or a mix)
- 2 cloves garlic, minced
- 1 teaspoon onion powder
- 1 teaspoon garlic powder
- ½ teaspoon smoked paprika
- Salt and pepper to taste
- 1 cup shredded provolone cheese
- 1 cup shredded mozzarella cheese
- Optional: Crushed pork rinds for topping
You’ll also need a large skillet, a 9×13-inch casserole dish, and an oven preheated to 375°F. Let’s dive into the step-by-step instructions to bring this dish to life!
How to Make Cheesy Low Carb Philly Cheesesteak Casserole
Ready to bring the flavors of Philly to your kitchen? Follow these simple steps:
Step 1: Sauté the beef
Heat the olive oil in a large skillet over medium-high heat. Add the ribeye or ground beef and cook until browned and fully cooked, breaking it up with a wooden spoon as needed. Season with a pinch of salt and pepper, then transfer the meat to a bowl and set aside.
Step 2: Cook the veggies
In the same skillet, add the sliced onions and bell peppers. Cook for 5–7 minutes, stirring occasionally, until they’re softened and slightly caramelized. Add the minced garlic, onion powder, garlic powder, smoked paprika, and a pinch of salt and pepper. Cook for another minute until fragrant.
Step 3: Combine and layer
Return the cooked beef to the skillet with the veggies. Stir everything together until well combined. Transfer the mixture to your casserole dish, spreading it out evenly.
Step 4: Add the cheese
Sprinkle the provolone and mozzarella cheese evenly over the beef and veggie mixture. If you’re using crushed pork rinds for added crunch, sprinkle those on top as well.
Step 5: Bake to perfection
Bake in the preheated oven for 15–20 minutes, or until the cheese is melted, bubbly, and slightly golden on top. Let the casserole cool for a few minutes before serving.
Step 6: Serve and enjoy
Scoop generous portions onto plates and dig in! This casserole pairs wonderfully with a simple side salad or roasted broccoli for a complete low-carb meal.
Nutrition Information for Cheesy Low Carb Philly Cheesesteak Casserole
Here’s the estimated nutrition breakdown per serving (based on six servings):
- Calories: 320 per serving
- Protein: 25g
- Fat: 22g
- Carbs: 5g
- Fiber: 1g
These values are approximate and may vary depending on ingredient brands and portions. If you make any swaps, let us know—we’d love to hear how you personalized the recipe!
Answers to Common Questions About Low Carb Cheesesteak Casserole
Can I make this casserole ahead of time?
Absolutely! You can prep the beef and veggie mixture up to two days in advance. Store it in an airtight container in the fridge, then assemble and bake when you’re ready to serve.
What are some low-carb sides to serve with this dish?
We love pairing this casserole with roasted veggies like asparagus, zucchini, or cauliflower rice. A crisp green salad with a tangy vinaigrette is another great option.
Can I freeze leftovers?
Yes, you can! Portion the cooled casserole into airtight containers and freeze for up to three months. Reheat in the oven or microwave until warmed through.
What cheese works best for this casserole?
Provolone and mozzarella are our go-to choices for that classic Philly cheesesteak flavor. Feel free to experiment with other cheeses like cheddar or Monterey Jack if you want to switch things up!
Is this recipe keto-friendly?
Yes! With only 5g of carbs per serving, this casserole fits perfectly into a keto or low-carb lifestyle. Just make sure to check the carb count on any additional toppings or sides you choose.
We hope these tips help you feel confident and excited to make your own cheesy low-carb casserole!
Try This Easy, Cheesy Dinner Tonight
This Cheesy Low Carb Philly Cheesesteak Casserole has become one of our favorite easy protein dinner ideas. It’s rich, savory, and packed with all the best cheesesteak flavors—without sending your carbs through the roof.
We’d love to hear how it turns out for you! Leave a comment below, rate the recipe, or tag us on social media if you try it. Looking for more low-carb love? Check out our other quick and healthy dinner recipes, like our Sweet and Savory Pineapple Chicken and Rice Recipe to Try
Happy cooking!
Cheesy Low Carb Philly Cheesesteak Casserole
Ingredients
- 1 tablespoon olive oil
- 1 pound thinly sliced ribeye shaved steak, or ground beef
- 1 medium onion thinly sliced
- 2 medium bell peppers thinly sliced (use green, red, or a mix)
- 2 cloves garlic minced
- 1 teaspoon onion powder
- 1 teaspoon garlic powder
- ½ teaspoon smoked paprika
- Salt and pepper to taste
- 1 cup shredded provolone cheese
- 1 cup shredded mozzarella cheese
- Optional: Crushed pork rinds for topping
Instructions
Step 1: Sauté the beef
- Heat the olive oil in a large skillet over medium-high heat. Add the ribeye or ground beef and cook until browned and fully cooked, breaking it up with a wooden spoon as needed. Season with a pinch of salt and pepper, then transfer the meat to a bowl and set aside.
Step 2: Cook the veggies
- In the same skillet, add the sliced onions and bell peppers. Cook for 5–7 minutes, stirring occasionally, until they’re softened and slightly caramelized. Add the minced garlic, onion powder, garlic powder, smoked paprika, and a pinch of salt and pepper. Cook for another minute until fragrant.
Step 3: Combine and layer
- Return the cooked beef to the skillet with the veggies. Stir everything together until well combined. Transfer the mixture to your casserole dish, spreading it out evenly.
Step 4: Add the cheese
- Sprinkle the provolone and mozzarella cheese evenly over the beef and veggie mixture. If you’re using crushed pork rinds for added crunch, sprinkle those on top as well.
Step 5: Bake to perfection
- Bake in the preheated oven for 15–20 minutes, or until the cheese is melted, bubbly, and slightly golden on top. Let the casserole cool for a few minutes before serving.
Step 6: Serve and enjoy
- Scoop generous portions onto plates and dig in! This casserole pairs wonderfully with a simple side salad or roasted broccoli for a complete low-carb meal.