Here’s a creamy, cheesy, low-carb Keto Philly Cheesesteak Casserole that tastes like the real deal — but without the bread. Super easy, family-friendly, and perfect for meal prep!
🧀 Keto Philly Cheesesteak Casserole
Ingredients (6 servings)
- 1 ½ lbs ground beef (or thin-sliced steak if you prefer)
- 2 tbsp butter
- 1 medium onion, sliced
- 1 green bell pepper, sliced
- 1 red bell pepper, sliced (optional)
- 8 oz mushrooms, sliced
- 3 cloves garlic, minced
- 1 tsp salt
- ½ tsp black pepper
- 1 tsp Worcestershire sauce (optional but great flavor)
- 4 oz cream cheese, softened
- ½ cup heavy cream
- 1 cup shredded provolone or mozzarella
- ½ cup shredded cheddar (or more mozzarella/provolone)
Instructions
1. Cook the beef
In a large skillet, brown the ground beef.
Season with salt and pepper.
Drain excess grease and set aside.
2. Sauté vegetables
In the same skillet, melt butter.
Add onion, bell peppers, and mushrooms.
Cook until softened and lightly caramelized (8–10 minutes).
Add garlic and cook 1 minute.
3. Mix everything
Return beef to the skillet.
Add Worcestershire, cream cheese, and heavy cream.
Stir until cream cheese melts and everything is coated in a creamy sauce.
4. Assemble the casserole
Spread mixture into a 9×13 baking dish.
Top with provolone/mozzarella and cheddar.
5. Bake
Bake at 375°F (190°C) for 15–18 minutes
or until cheese is melted and bubbly.
6. Serve
Let rest 5 minutes.
Great with a side salad or stuffed into low-carb tortillas.
Macros (per serving, approx.)
- Calories: ~420
- Net Carbs: 4–5g
- Fat: ~32g
- Protein: ~27g
⭐ Optional Variations
Authentic “Whiz” Version
Add ¼ cup melted cheese sauce (Keto queso).
Spicy
Add jalapeños or pepper jack cheese.
Using Steak Instead of Beef
Use thin-sliced ribeye or sirloin, quickly sear, then follow recipe.