Low Carb Philly Cheesesteak Casserole

Introduction

Low Carb Philly Cheesesteak Casserole is a delicious keto-friendly twist on the famous Philly cheesesteak sandwich. It captures all the savory flavors of the classic sandwich—tender beef, sautéed onions, bell peppers, and melted cheese—without the bread. The result is a rich, comforting dish that’s perfect for anyone following a low-carb or ketogenic diet.

Traditional cheesesteaks are served on hoagie rolls, but this casserole version replaces the bread with a creamy, cheesy base that holds everything together. It delivers the same bold flavors while keeping carbs low and protein high.

This recipe is ideal for weeknight dinners, meal prep, or feeding a hungry family while sticking to healthier eating goals. It’s easy to prepare, baked in one dish, and packed with flavor from simple ingredients.

If you love classic comfort food but want a lighter, low-carb version that still satisfies cravings, this Low Carb Philly Cheesesteak Casserole is the perfect solution.

Ingredients

1½ pounds ground beef or thinly sliced steak

1 green bell pepper, sliced

1 red bell pepper, sliced

1 small onion, sliced

3 cloves garlic, minced

2 tablespoons olive oil

1 cup cream cheese, softened

½ cup heavy cream

1½ cups shredded provolone or mozzarella cheese

½ cup shredded cheddar cheese

1 teaspoon Worcestershire sauce

½ teaspoon smoked paprika

½ teaspoon black pepper

½ teaspoon salt (adjust to taste)

Optional garnish: chopped parsley

Preparation
Step 1:

Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.

Step 2:

Heat olive oil in a large skillet over medium heat. Add sliced peppers and onions and sauté for 4–5 minutes until softened. Add garlic and cook for another 30 seconds.

Step 3:

Add ground beef or sliced steak to the skillet. Cook until browned and fully cooked, breaking up the meat if using ground beef. Drain excess grease.

Step 4:

Stir in cream cheese, heavy cream, Worcestershire sauce, paprika, salt, and pepper. Cook for 2–3 minutes until the mixture becomes creamy and well combined.

Step 5:

Transfer the mixture into the prepared baking dish. Sprinkle provolone and cheddar cheese evenly over the top. Bake for 15–20 minutes until cheese is melted and bubbly.

Variations

Spicy Cheesesteak: Add jalapeños or chili flakes

Mushroom Version: Add sliced mushrooms

Chicken Cheesesteak: Replace beef with chicken breast

Extra Cheesy: Add more provolone or mozzarella

Keto Alfredo Style: Add a little Parmesan cheese

Cooking Note

Avoid overcooking the casserole once cheese is added. Bake just until melted and bubbly to keep the dish creamy.

Serving Suggestions

Serve with a fresh green salad

Pair with roasted cauliflower

Serve in lettuce wraps

Add sliced avocado on the side

Enjoy with keto-friendly bread

Tips

Use thinly sliced steak for authentic flavor

Drain excess grease from beef

Slice vegetables evenly for consistent texture

Let casserole rest 5 minutes before serving

Store leftovers in airtight containers

Prep Time:

15 minutes

Cooking Time:

25 minutes

Total Time:

40 minutes

Nutritional Information (per serving, approximate)

Calories: 480

Protein: 35g

Sodium: 720mg

FAQs

Is this recipe keto-friendly?
Yes. It’s low in carbs and high in protein and fat.

Can I use steak instead of ground beef?
Yes. Thinly sliced ribeye or sirloin works well.

Can I freeze this casserole?
Yes. Freeze after baking and cooling for up to 2 months.

What cheese works best?
Provolone is traditional, but mozzarella or white American cheese also works.

How do I reheat leftovers?
Reheat in the oven at 325°F or microwave individual portions.

Conclusion

Low Carb Philly Cheesesteak Casserole is a rich, satisfying meal that delivers the bold flavors of a classic cheesesteak while keeping carbs low. With juicy beef, sautéed peppers and onions, and plenty of melted cheese, this dish is both comforting and keto-friendly. Easy to make and packed with flavor, it’s a perfect addition to your low-carb dinner rotation.

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