Philly Cheesesteak Casserole Meal Prep

When it comes to comfort food, there’s something undeniably satisfying about a dish featuring tender beef, vibrant vegetables, and a wealth of flavor. This casserole takes the classic flavors of a beloved sandwich and transforms them into a hearty, low-carb meal. Having made this numerous times for friends and family, I’ve seen firsthand how it brings people together and fills their bellies.

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philly cheesesteak casserole meal prep 2026 02 12 190609 1

Low-Carb Beef and Cheese Casserole


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  • Author: Lorena Kensley
  • Total Time: 45 minutes
  • Yield: 4 servings
  • Diet: Low Carb

Description

A hearty, low-carb casserole featuring tender beef, vibrant vegetables, and melty cheese – perfect for family dinners or gatherings.


Ingredients

  • 1 pound of ground beef
  • 1 bell pepper, sliced (any color)
  • 1 medium onion, sliced
  • 2 cups of mushrooms, sliced
  • 1 cup of shredded mozzarella cheese
  • 2 tablespoons of olive oil
  • 1 teaspoon garlic powder
  • Salt and pepper, to taste


Instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a skillet, heat olive oil over medium heat. Add the sliced onions, peppers, and mushrooms, sautéing until they’re softened, about 5-7 minutes.
  3. Push the vegetables to one side and add the ground beef to the pan. Season with garlic powder, salt, and pepper. Cook until well browned, about 8-10 minutes.
  4. Transfer the beef and vegetable mixture into a greased baking dish. Top evenly with shredded mozzarella cheese.
  5. Bake in the preheated oven for about 15-20 minutes, or until the cheese is bubbly and golden.

Notes

For added spice, consider adding hot peppers or seasoning blends. This dish pairs well with a side salad or steamed veggies.

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Main Course
  • Method: Baking
  • Cuisine: American

Why you’ll love this dish

This casserole stands out not just for its taste but also for its versatility. It’s ideal for a cozy family dinner or as a dish to share at gatherings. The combination of juicy beef and melty cheese creates a mouthwatering experience that’s perfect for anyone craving a delicious meal without the carbs.

“Absolutely amazing! The flavors were spot on, and my family couldn’t get enough.”

How this recipe comes together

Creating this delightful casserole requires a bit of preparation but is well worth the effort. You’ll start by cooking the beef and vegetables until they’re perfectly tender, then layering them with cheese to create a comforting dish. Once baked, it’s a complete meal that doesn’t leave you craving bread.

Prep Time: 15 min | Cook Time: 30 min | Total Time: 45 min

What you’ll need

  • 1 pound of ground beef
  • 1 bell pepper, sliced (any color)
  • 1 medium onion, sliced
  • 2 cups of mushrooms, sliced
  • 1 cup of shredded mozzarella cheese
  • 2 tablespoons of olive oil
  • 1 teaspoon garlic powder
  • Salt and pepper, to taste

If you prefer a little extra spice, consider adding some hot peppers or seasoning blends to amp up the flavor.

Step-by-step instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a skillet, heat olive oil over medium heat. Add the sliced onions, peppers, and mushrooms, sautéing until they’re softened, about 5-7 minutes.
  3. Push the vegetables to one side and add the ground beef to the pan. Season with garlic powder, salt, and pepper. Cook until well browned, about 8-10 minutes.
  4. Transfer the beef and vegetable mixture into a greased baking dish. Top evenly with shredded mozzarella cheese.
  5. Bake in the preheated oven for about 15-20 minutes, or until the cheese is bubbly and golden.

Best ways to enjoy it

This casserole can be served straight from the oven for a warm, comforting meal. Pair it with a simple side salad or steamed veggies for a well-rounded dinner. Some people like to enjoy it wrapped in lettuce leaves for a fresh, low-carb twist.

Storage and reheating tips

Leftover casserole can be kept in an airtight container in the refrigerator for up to 3 days. For longer storage, consider freezing portions in individual containers. To reheat, simply place in the microwave or oven until heated through, ensuring safety by reaching an internal temperature of 165°F (74°C).

Helpful cooking tips

To enhance the flavor profile, consider browning the beef until it develops a crust, which adds depth to the overall taste. If you’re short on time, you could also use pre-sliced vegetables or even frozen mixed veggies to speed up the preparation process.

Creative twists

For a different spin, think about incorporating fresh spinach or kale for added nutrition and color. Alternatively, if you’d like a smoky flavor, swapping some of the cheese for smoked gouda can elevate the dish even more.

FAQ

Can I use a different type of cheese?

Absolutely! Cheddar or provolone cheese can be excellent substitutes if you’re looking to switch things up.

Is this suitable for meal prep?

Yes, it reheats well, making it a fantastic option for meal prep. Just be sure to store it properly.

Can I add other vegetables?

Definitely! Feel free to add zucchini, broccoli, or any favorite vegetables to customize it to your taste.

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