Low Carb Philly Cheesesteak Casserole is an easy and flavorful dinner that comes together quickly with simple ingredients. This homemade casserole features tender beef, sautéed peppers, and onions smothered in melted cheese for a comforting texture that everyone will love. Perfect for busy weeknights or meal prep, it’s a satisfying low carb option that doesn’t sacrifice taste. Pair it with my Crustless Chicken Pot Pie Recipe for a cozy meal night.
Why You'll Love Low Carb Philly Cheesesteak Casserole – Easy & Delicious Weeknight Meal
Try this Low Carb Philly Cheesesteak Casserole recipe for a quick, family-friendly, and hearty dinner packed with melty cheese and savory flavors.
- Low carb and keto-friendly without compromising flavor.
- Quick to prepare and perfect for weeknight dinners.
- Family-friendly and great for meal prep or leftovers.
- Uses simple pantry staples and fresh ingredients.
Ingredients for Low Carb Philly Cheesesteak Casserole – Easy & Delicious Weeknight Meal
Beef: Use thinly sliced ribeye for authentic flavor; sirloin is a budget-friendly alternative.Cheese: Provolone provides traditional cheesesteak taste; mozzarella adds melty texture. Use any low-moisture cheese blend if preferred.
- Beef: Use thinly sliced ribeye for authentic flavor; sirloin is a budget-friendly alternative.
- Cheese: Provolone provides traditional cheesesteak taste; mozzarella adds melty texture. Use any low-moisture cheese blend if preferred.
Ingredient Note: Full measurements for Low Carb Philly Cheesesteak Casserole – Easy & Delicious Weeknight Meal are listed in the printable recipe card below.
How to Make Low Carb Philly Cheesesteak Casserole – Easy & Delicious Weeknight Meal
Step 1 — Prep & Preheat
Cook the beef and veggies: Heat olive oil in a large skillet over medium-high heat. Add garlic, sliced onions, and bell peppers; sauté until softened, about 5 minutes. Add the thinly sliced beef, salt, pepper, smoked paprika, and oregano. Cook until beef is browned and cooked through, around 5-7 minutes.
Step 2 — Cook and Build Flavor
Preheat oven and prepare dish: Preheat your oven to 375°F. Lightly grease an 8x8 inch casserole dish or similar size baking pan.
Step 3 — Finish, Taste, and Adjust
Assemble the casserole: Transfer the beef and veggie mixture into the baking dish evenly. Sprinkle mozzarella cheese over the mixture, then top with shredded provolone evenly.
Expert Tips for Low Carb Philly Cheesesteak Casserole – Easy & Delicious Weeknight Meal
- Use thinly sliced beef for authentic cheesesteak texture and quick cooking.
- Don’t skip letting the casserole rest after baking for melty cheese perfection.
- Add a pinch of red pepper flakes if you like a little heat.
Low Carb Philly Cheesesteak Casserole – Easy & Delicious Weeknight Meal
Try this Low Carb Philly Cheesesteak Casserole recipe for a quick, family-friendly, and hearty dinner packed with melty cheese and savory flavors.
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 cup shredded mozzarella cheese
- 2 tbsp olive oil
- 2 cloves garlic, minced
Seasonings & Flavor Boosters
- 1 tsp salt
- ½ tsp black pepper
- 1 tsp smoked paprika
- ½ tsp dried oregano
Optional Toppings
- Chopped fresh parsley
- Red pepper flakes for spice
Instructions
How to Make Low Carb Philly Cheesesteak Casserole
- Cook the beef and veggies: Heat olive oil in a large skillet over medium-high heat. Add garlic, sliced onions, and bell peppers; sauté until softened, about 5 minutes. Add the thinly sliced beef, salt, pepper, smoked paprika, and oregano. Cook until beef is browned and cooked through, around 5-7 minutes.
- Preheat oven and prepare dish: Preheat your oven to 375°F. Lightly grease an 8x8 inch casserole dish or similar size baking pan.
- Assemble the casserole: Transfer the beef and veggie mixture into the baking dish evenly. Sprinkle mozzarella cheese over the mixture, then top with shredded provolone evenly.
- Bake: Place casserole in the oven and bake for 15-20 minutes until cheese is melted, bubbly, and slightly golden on top.
- Serve warm: Remove from oven and let rest 5 minutes. Garnish with chopped parsley and red pepper flakes if using. Slice and serve.
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 & Delicious Weeknight Meal FAQs
Yes! Prepare the beef and veggies ahead, assemble the casserole, and refrigerate for up to 24 hours before baking.
You can use mozzarella only or a blend of cheddar and Monterey Jack for a different but delicious twist.
Store leftovers in an airtight container in the fridge for up to 4 days or freeze up to 1 month.
Make sure not to overcook the beef initially and cover the casserole with foil if cheese melts too quickly to prevent drying out.
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Before You Go
If you try this Low Carb Philly Cheesesteak Casserole – Easy & Delicious Weeknight Meal, I'd love for you to leave a rating or share how you customized it.