Looking for a comforting and satisfying low-carb dinner? This Cheesy Low Carb Philly Cheesesteak Casserole has all the classic flavors of a Philly cheesesteak—tender beef, sautéed peppers and onions, and gooey melted cheese—without the bread! It’s a rich, hearty casserole that’s easy to make, keto-friendly, and perfect for family dinners or weekly meal prep.
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Why You’ll Love This Recipe
Low-Carb & Keto-Friendly – All the cheesesteak flavor without the carbs.
High in Protein – Great for energy and satiety.
One-Pan Meal – Fewer dishes and simple preparation.
Customizable – Add mushrooms, spice, or your favorite cheese.
Great for Leftovers – Stores and reheats well for meals all week.
Ingredients You’ll Need
For the Filling:
- 1 lb ground beef (or thinly sliced steak if preferred)
- 1 tbsp olive oil
- 1 medium green bell pepper, chopped
- 1 medium red bell pepper, chopped
- 1 medium onion, sliced
- 2 cloves garlic, minced
- 1 tsp salt
- ½ tsp black pepper
- ½ tsp smoked paprika
For the Sauce & Topping:
- 4 oz cream cheese, softened
- ¼ cup sour cream
- ½ cup heavy cream
- 1½ cups shredded provolone or mozzarella cheese
- 1 tbsp Worcestershire sauce
- ½ tsp onion powder
Tools You’ll Need
- Large skillet
- 9×13-inch casserole dish
- Wooden spoon or spatula
- Mixing bowl
Step-by-Step Instructions
Step 1: Cook the Beef & Veggies
- Preheat oven to 375°F (190°C).
- In a large skillet over medium heat, add olive oil and cook the ground beef until browned.
- Remove beef from pan and set aside. Drain excess grease if needed.
- In the same skillet, sauté the chopped peppers and onions for 5-7 minutes until soft.
- Add garlic and cook for another minute.
Step 2: Mix the Filling
6. Return the cooked beef to the skillet.
7. Add salt, pepper, smoked paprika, and Worcestershire sauce.
8. Stir in softened cream cheese and let it melt into the mixture.
Step 3: Prepare the Sauce
9. In a small bowl, mix sour cream, heavy cream, and onion powder.
10. Pour this sauce mixture into the skillet and stir everything to combine.
Step 4: Assemble the Casserole
11. Transfer the beef and veggie mixture into a greased 9×13-inch baking dish.
12. Top evenly with shredded provolone or mozzarella cheese.
Step 5: Bake
13. Bake uncovered for 20-25 minutes or until cheese is melted and bubbly.
14. Let it rest for 5 minutes before serving.

Tips for the Best Cheesesteak Casserole
Use Thinly Sliced Steak – For a more authentic cheesesteak feel, sub steak for ground beef.
Mix Cheese Varieties – Try a combo of provolone and cheddar for extra flavor.
Add Mushrooms – Sautéed mushrooms add depth and earthiness.
Go Spicy – Add red pepper flakes or jalapeños for heat.
Make it Ahead – Assemble and refrigerate a day in advance for easy baking later.
Serving Suggestions
Cauliflower Rice – Keeps it low-carb and hearty.
Zucchini Noodles – Light and perfect with the creamy filling.
Simple Green Salad – Adds a fresh, crisp contrast.
Roasted Vegetables – Try asparagus or broccoli for a balanced plate.
How to Store & Reheat
Storing:
Refrigerate: Store leftovers in an airtight container for up to 4 days.
Freeze: Freeze in individual portions for up to 2 months.
Reheating:
Oven: Reheat at 350°F for 15-20 minutes until hot.
Microwave: Warm in 1-minute intervals, covered, for even heating.
Frequently Asked Questions
- Can I make this dairy-free?
Yes, use dairy-free cream cheese and cheese alternatives. - What’s the best cheese for this casserole?
Provolone is classic, but mozzarella, Monterey Jack, or a blend all work well. - Is this meal keto?
Yes, it’s high in fat and protein with minimal carbs. - Can I add more veggies?
Absolutely! Spinach, mushrooms, or zucchini are great additions.
Final Thoughts
This Cheesy Low Carb Philly Cheesesteak Casserole offers all the flavor and indulgence of a classic cheesesteak in a low-carb, easy-to-make form. With creamy, cheesy goodness and savory beef and veggies, it’s a weeknight favorite that won’t weigh you down.
Try it tonight and discover your new go-to comfort food. And don’t forget to share your photos and feedback—I’d love to see how yours turns out!
Preparation Time: 15 minutes
Cooking Time: 25 minutes
Cuisine: American
Nutritional Information (Per Serving):
Calories: 410 | Protein: 28g | Carbohydrates: 7g | Fat: 30g | Fiber: 1g | Sodium: 580mg

Cheesy Low Carb Philly Cheesesteak Casserole
- Total Time: 40 minutes
Description
Looking for a comforting and satisfying low-carb dinner? This Cheesy Low Carb Philly Cheesesteak Casserole has all the classic flavors of a Philly cheesesteak—tender beef, sautéed peppers and onions, and gooey melted cheese—without the bread! It’s a rich, hearty casserole that’s easy to make, keto-friendly, and perfect for family dinners or weekly meal prep.
Want recipes like this delivered straight to your inbox? Subscribe now to get the latest culinary creations you’ll love.
Ingredients
For the Filling:
-
1 lb ground beef (or thinly sliced steak if preferred)
-
1 tbsp olive oil
-
1 medium green bell pepper, chopped
-
1 medium red bell pepper, chopped
-
1 medium onion, sliced
-
2 cloves garlic, minced
-
1 tsp salt
-
½ tsp black pepper
-
½ tsp smoked paprika
For the Sauce & Topping:
-
4 oz cream cheese, softened
-
¼ cup sour cream
-
½ cup heavy cream
-
1½ cups shredded provolone or mozzarella cheese
-
1 tbsp Worcestershire sauce
-
½ tsp onion powder
Instructions
Step 1: Cook the Beef & Veggies
-
Preheat oven to 375°F (190°C).
-
In a large skillet over medium heat, add olive oil and cook the ground beef until browned.
-
Remove beef from pan and set aside. Drain excess grease if needed.
-
In the same skillet, sauté the chopped peppers and onions for 5-7 minutes until soft.
-
Add garlic and cook for another minute.
Step 2: Mix the Filling
6. Return the cooked beef to the skillet.
7. Add salt, pepper, smoked paprika, and Worcestershire sauce.
8. Stir in softened cream cheese and let it melt into the mixture.
Step 3: Prepare the Sauce
9. In a small bowl, mix sour cream, heavy cream, and onion powder.
10. Pour this sauce mixture into the skillet and stir everything to combine.
Step 4: Assemble the Casserole
11. Transfer the beef and veggie mixture into a greased 9×13-inch baking dish.
12. Top evenly with shredded provolone or mozzarella cheese.
Step 5: Bake
13. Bake uncovered for 20-25 minutes or until cheese is melted and bubbly.
14. Let it rest for 5 minutes before serving.
Notes
Use Thinly Sliced Steak – For a more authentic cheesesteak feel, sub steak for ground beef.
Mix Cheese Varieties – Try a combo of provolone and cheddar for extra flavor.
Add Mushrooms – Sautéed mushrooms add depth and earthiness.
Go Spicy – Add red pepper flakes or jalapeños for heat.
Make it Ahead – Assemble and refrigerate a day in advance for easy baking later.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Cuisine: American