Keto Cheesy Philly Cheesesteak Casserole is a rich, low-carb comfort food dish that transforms the classic Philly cheesesteak into a baked, cheesy casserole. It combines tender beef, sautéed peppers and onions, and a creamy cheese sauce, all baked together until bubbly and golden. This dish delivers bold, savory flavors while staying completely keto-friendly and satisfying.
The base of the casserole is thinly sliced beef, usually ribeye or sirloin, which provides a juicy and flavorful protein foundation. When quickly seared, the beef develops a deep, savory taste that holds up well in the creamy casserole mixture. Its natural richness makes the dish hearty and filling without needing any carbs.
Peppers, onions, and mushrooms are commonly added to recreate the classic cheesesteak flavor profile. These vegetables add sweetness, aroma, and texture while keeping the carb count low. When sautéed, they soften and caramelize slightly, blending perfectly with the beef and cheese.
The cheese sauce is what makes this casserole extra indulgent. A combination of cream cheese, heavy cream, and shredded provolone, mozzarella, or cheddar melts into a smooth, velvety mixture. As it bakes, the cheese thickens and forms a golden, bubbly top layer that locks in moisture and flavor.
Overall, Keto Cheesy Philly Cheesesteak Casserole is easy to prepare, perfect for meal prep, and ideal for family dinners. It delivers all the flavor of a traditional Philly cheesesteak sandwich without the bread, making it a rich, satisfying, and fully low-carb comfort meal.
Ingredients
- 500g ribeye or sirloin beef, thinly sliced
- 1 green bell pepper, sliced
- 1 onion, sliced
- 200g mushrooms, sliced (optional)
- 2 tbsp butter or olive oil
- 3 cloves garlic, minced
- 4 oz cream cheese, softened
- 1/2 cup heavy cream
- 1 1/2 cups shredded provolone or mozzarella cheese
- 1 tsp salt
- 1/2 tsp black pepper
- 1/2 tsp paprika (optional)
Instructions
- Preheat oven to 190°C (375°F).
- Heat butter in a pan and cook beef until browned. Remove and set aside.
- In the same pan, sauté onions, peppers, mushrooms, and garlic until softened.
- Add cream cheese and heavy cream, stirring until smooth and creamy.
- Mix beef back into the pan and combine well.
- Transfer mixture to a baking dish and top with shredded cheese.
- Bake for 15–20 minutes until bubbly and golden on top.
- Serve hot.
Nutrition Facts (Per serving, 6 servings total)
- Calories: ~430 kcal
- Protein: ~31 g
- Fat: ~32 g
- Net Carbs: ~5 g
- Fiber: ~1–2 g
- Sugar: ~2 g
