Keto Philly Cheesesteak Casserole

Recipe Details

• Author: deesviral
• Prep Time: 15 minutes
• Cook Time: 30 minutes
• Total Time: 45 minutes
• Yield: 6 servings
• Category: Dinner / Keto
• Cuisine: American
• Keywords: keto casserole, Philly cheesesteak casserole, low carb dinner, keto comfort food, deesviral

Ingredients

• 1½ pounds ground beef or thinly sliced steak
• 1 tablespoon olive oil
• 1 green bell pepper, sliced
• 1 red bell pepper, sliced
• 1 small onion, sliced
• 1½ cups mushrooms, sliced
• 2 cloves garlic, minced
• 6–8 slices provolone cheese
• 1 teaspoon Worcestershire sauce
• Salt and black pepper, to taste
• 1/2 teaspoon garlic powder

Instructions

1. Preheat oven to 375°F (190°C).
2. Heat olive oil in a large skillet over medium heat.
3. Add peppers, onions, and mushrooms. Cook until softened, about 6–8 minutes.
4. Stir in garlic and cook for 30 seconds.
5. Remove vegetables from the skillet and set aside.
6. Add beef to the skillet and cook until browned.
7. Season with Worcestershire sauce, garlic powder, salt, and black pepper.
8. Combine beef with the cooked vegetables.
9. Transfer mixture to a greased baking dish.
10. Top evenly with provolone cheese slices.
11. Bake for 10–15 minutes until the cheese is melted and bubbly.
12. Serve warm.

Tips & Variations

• Add cream cheese for an extra creamy casserole.
• Use mozzarella or Swiss cheese for a different flavor.
• Serve with cauliflower rice for a fuller keto meal.

Why This Recipe Works

The beef brings rich savory flavor while peppers, onions, and mushrooms add texture and balance. Melted provolone creates the classic cheesesteak taste, all in a satisfying low-carb casserole.