Low Carb Philly Cheesesteak Casserole is a simple and delicious twist on the classic sandwich, perfect for anyone craving comfort food without the carbs. This casserole offers tender steak, sautéed peppers and onions, and gooey melted cheese, all baked together into one hearty dish. It’s quick to make and great for a weeknight meal or meal prep. Pair it with my Garlic Lemon Chicken for another effortless dinner option.
Why You'll Love Low Carb Philly Cheesesteak Casserole - Easy Homemade Comfort Food
Try this easy Low Carb Philly Cheesesteak Casserole recipe for a quick, family-friendly meal with melty cheese and savory steak. Perfect weeknight dinner!
- Low carb and keto-friendly, perfect for carb-conscious diets.
- Melty cheese and tender steak come together in one easy casserole.
- Uses simple pantry staples and fresh veggies.
- Great for weeknight dinners, meal prep, or leftovers.
Ingredients for Low Carb Philly Cheesesteak Casserole - Easy Homemade Comfort Food
Beef: Use thinly sliced sirloin for best texture; ribeye or flank steak work well too.Cheese: Provolone and mozzarella melt beautifully; swap mozzarella for Monterey Jack if desired.
- Beef: Use thinly sliced sirloin for best texture; ribeye or flank steak work well too.
- Cheese: Provolone and mozzarella melt beautifully; swap mozzarella for Monterey Jack if desired.
Ingredient Note: Full measurements for Low Carb Philly Cheesesteak Casserole - Easy Homemade Comfort Food are listed in the printable recipe card below.
How to Make Low Carb Philly Cheesesteak Casserole - Easy Homemade Comfort Food
Step 1 — Prep & Preheat
Prepare the steak and vegetables: Heat olive oil in a large skillet over medium-high heat. Add thinly sliced steak and cook for 2-3 minutes until just browned.
Step 2 — Cook and Build Flavor
Sauté peppers and onions: Add garlic, bell pepper, and onion to the skillet. Cook another 5 minutes until softened and fragrant.
Step 3 — Finish, Taste, and Adjust
Season and mix: Stir in Worcestershire sauce, smoked paprika, salt, pepper, and oregano. Remove skillet from heat.
Expert Tips for Low Carb Philly Cheesesteak Casserole - Easy Homemade Comfort Food
- Sear steak quickly to keep it juicy and tender inside the casserole.
- Use fresh vegetables for the best flavor and texture, but frozen sliced peppers can work in a pinch.
- Adding a splash of Worcestershire sauce amps up the umami flavor classic to Philly cheesesteaks.
Low Carb Philly Cheesesteak Casserole - Easy Homemade Comfort Food
Try this easy Low Carb Philly Cheesesteak Casserole recipe for a quick, family-friendly meal with melty cheese and savory steak. Perfect weeknight dinner!
Ingredients
Main Ingredients
- 1 lb thinly sliced beef sirloin or ribeye
- 1 medium green bell pepper, thinly sliced
- 1 medium onion, thinly sliced
- 2 cups shredded provolone cheese
- 1/2 cup shredded mozzarella cheese
- 2 cloves garlic, minced
- 2 tbsp olive oil
Seasonings & Flavor Boosters
- 1 tsp Worcestershire sauce
- 1 tsp smoked paprika
- 1/2 tsp salt
- 1/2 tsp black pepper
- 1/2 tsp dried oregano
Optional Toppings
- Fresh parsley, chopped
- Red pepper flakes (for heat)
Instructions
How to Make Low Carb Philly Cheesesteak Casserole
- Prepare the steak and vegetables: Heat olive oil in a large skillet over medium-high heat. Add thinly sliced steak and cook for 2-3 minutes until just browned.
- Sauté peppers and onions: Add garlic, bell pepper, and onion to the skillet. Cook another 5 minutes until softened and fragrant.
- Season and mix: Stir in Worcestershire sauce, smoked paprika, salt, pepper, and oregano. Remove skillet from heat.
- Assemble and bake: Preheat oven to 375°F. Transfer the steak and vegetable mixture to a greased casserole dish. Sprinkle shredded provolone and mozzarella evenly on top. Bake for 15-20 minutes until cheese is melted and bubbly. Garnish with parsley if desired and serve hot.
Nutrition (per serving)
Storage, Freezing & Reheating
- Fridge: Store in an airtight container for up to 3 days.
- Freezer: Not recommended (texture changes).
- Serve/Reheat: Best chilled or at room temperature.
Low Carb Philly Cheesesteak Casserole - Easy Homemade Comfort Food FAQs
Yes! You can prepare the casserole up to a day before baking. Store it covered in the fridge and bake just before serving.
Monterey Jack or mozzarella are great melt-friendly substitutes if provolone isn’t available.
Keep leftovers in an airtight container in the fridge for up to 3 days, or freeze for longer storage.
Overcooking the steak or baking too long can dry out the casserole. Sear steak quickly and bake until cheese is melted but not overbrowned.
You Might Also Like
- Pair it with my Garlic Lemon Chicken for a fresh dinner option
- Try BBQ Chicken Flatbread for another easy homemade recipe
- Serve alongside Crustless Chicken Pot Pie for comfort food night
Before You Go
If you try this Low Carb Philly Cheesesteak Casserole - Easy Homemade Comfort Food, I'd love for you to leave a rating or share how you customized it.