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Easy 5-Ingredient Philly Cheesesteak Casserole

A comforting low-carb casserole that combines the classic flavors of a Philly cheesesteak with tender ground beef, sautéed vegetables, and gooey provolone cheese.

By Marlene Dufour ·MAR 10, 2026 ·Updated SEP 25, 2026 ·Be the first to rate
Easy 5-Ingredient Philly Cheesesteak Casserole
01Why this one

Imagine a comforting dish that brings together the savory flavors of a classic Philly cheesesteak but in a low-carb, hassle-free casserole format. This Low Carb Philly Cheesesteak Casserole has quickly become a favorite for weeknight dinners, offering a satisfying taste without the guilt. With tender ground beef, sautéed vegetables, and gooey provolone cheese, it’s a hearty meal that even your pickiest eaters will love.

Why make this recipe

Reasons to try it

This casserole is not just delicious, but also incredibly practical. It’s perfect for those following a low-carb lifestyle, and the best part? It’s a one-dish wonder, making cleanup a breeze. Whether you’re looking for a quick family dinner on a busy weeknight or a crowd-pleasing dish for a small gathering, this recipe fits the bill. Not to mention, it’s budget-friendly and can easily be adjusted to suit your taste buds.

03At the stove

How to make Low Carb Philly Cheesesteak Casserole

Step-by-step overview

Crafting this casserole is as simple as browning your beef and mixing in fresh veggies before layering it all with cheese for a gooey, delicious topping. The process is straightforward and accessible for cooks of all levels, ensuring that you won’t be spending hours in the kitchen. Let’s dive into what you’ll need before we get cooking.

Ingredients

What you’ll need

To whip up this tasty casserole, gather the following ingredients:

  • 1 lb ground beef
  • 1 green bell pepper, diced
  • 1 onion, diced
  • 8 oz mushrooms, sliced
  • 1 cup heavy cream
  • 2 cups shredded provolone cheese
  • 2 tsp garlic powder
  • 1 tsp paprika
  • Salt and pepper to taste

Feel free to swap in your favorite veggies or cheese according to your preferences—there’s plenty of room for creativity here!

Directions

Step-by-step instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a skillet over medium heat, brown the ground beef until fully cooked and drain any excess fat.
  3. Add the diced green bell pepper, onion, and sliced mushrooms to the skillet. Cook until the vegetables are tender.
  4. Stir in garlic powder, paprika, salt, and pepper to season the mixture.
  5. Pour in the heavy cream and mix everything together until well-blended.
  6. Carefully transfer the mixture into a greased baking dish.
  7. Sprinkle the shredded provolone cheese generously on top.
  8. Bake in the preheated oven for 25-30 minutes, or until the cheese is bubbly and golden brown.
  9. Let cool for a few minutes before serving. Enjoy!
Low Carb Philly Cheesesteak Casserole
The recipe

Low Carb Philly Cheesesteak Casserole

Rate it ·Dinner · Main Course · American
Prep
15 MIN
Cook
30 MIN
Total
45 MIN
Serves
6

01Ingredients

6 servings

Main Ingredients

Seasoning

02Method

  1. Preparation

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03Recipe notes

  1. 01For an even burger-like flavor, consider adding Worcestershire sauce to the beef while it’s browning. For prep time efficiency, use pre-sliced mushrooms and pre-diced onions. A sprinkle of fresh herbs right before serving can elevate flavor and presentation.
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04After dinner

How to serve Low Carb Philly Cheesesteak Casserole

Best ways to enjoy it

This casserole is hearty enough to stand on its own, but it pairs beautifully with a crisp salad or steamed green vegetables for a well-rounded meal. Consider serving it alongside a tangy coleslaw or roasted asparagus to enhance the experience. If you’re feeling adventurous, a drizzle of spicy hot sauce can add an exciting kick!

How to store

Storage and reheating tips

Leftovers? No problem! Allow the casserole to cool completely before transferring it to an airtight container. Store it in the refrigerator for up to 4 days, or freeze it for longer storage. When reheating, make sure to do so gently—in the oven or microwave—until it’s heated through. Always remember to check the internal temperature to ensure safe eating, aiming for at least 165°F (74°C).

Variations

Creative twists

Mix things up and try adding jalapeños for a spicy kick or tossing in some spinach for extra nutrition. You could also experiment with different types of cheese—Swiss or cheddar could bring a new flavor profile to this classic dish. The possibilities are endless when it comes to customizing your casserole!

FAQs

What is the prep time for this recipe?

Prep time is about 15 minutes, with an additional 25-30 minutes for baking.

Can I substitute ground beef for another protein?

Absolutely! Ground turkey or chicken would work well in this recipe if you’re looking for a leaner option.

How do I make it dairy-free?

You can use coconut cream and dairy-free cheese alternatives to achieve a similar creamy texture without the dairy.

Conclusion

Low Carb Philly Cheesesteak Casserole is not only a filling and delicious meal but also a versatile choice that can fit various diets. It’s ideal for families, gatherings, or meal prep options throughout the week. For more ideas, check out Keto Philly Cheesesteak Casserole and my Low Carb Philly Cheesesteak Casserole. Enjoy your cooking journey!

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