🧀 High-Protein Philly Cheesesteak Casserole
Servings: 6
Prep Time: 15 minutes
Cook Time: 25–30 minutes
Total Time: 40–45 minutes
🥩 Ingredients
Beef + Veggies
1.5 lbs lean ground beef (93% lean or better) or thinly sliced sirloin
1 medium onion, sliced
1 large green bell pepper, sliced
1 large red bell pepper, sliced
8 oz mushrooms, sliced (optional but adds flavor)
3 cloves garlic, minced
1 tbsp olive oil (if needed)
1 tsp salt
½ tsp black pepper
1 tsp onion powder
1 tsp garlic powder
1 tsp paprika
½ tsp Worcestershire sauce (optional but recommended)
High-Protein Creamy Mix
1 cup low-fat cottage cheese (blended smooth)
4 oz light cream cheese (softened)
½ cup plain Greek yogurt
2 large eggs
1 tbsp steak seasoning or extra salt/pepper to taste
Cheese
1.5 cups reduced-fat mozzarella or provolone, shredded
2–3 slices provolone for the top (optional)
👩🍳 Instructions
- Preheat oven
Heat to 375°F (190°C).
- Cook the beef
In a large skillet, cook ground beef until browned.
Drain any excess fat if necessary.
Season with salt, pepper, onion powder, garlic powder, and paprika.
Remove beef and set aside.
- Sauté veggies
In the same skillet, add a drizzle of olive oil if the pan is dry.
Add onions, peppers, and mushrooms.
Cook 6–7 minutes until softened.
Add minced garlic and cook 1 more minute.
Stir in Worcestershire sauce.
Add the cooked beef back into the pan and mix everything together.
- Make the high-protein creamy mixture
In a bowl, whisk together:
✔ blended cottage cheese
✔ Greek yogurt
✔ cream cheese
✔ eggs
✔ steak seasoning
Whisk until smooth and creamy.
- Assemble the casserole
Transfer the beef/veggie mixture into a greased 9×13 baking dish.
Pour the creamy protein mixture evenly over the top and stir lightly to combine.
Sprinkle the shredded mozzarella/provolone evenly over the top.
Layer provolone slices on top if using.
- Bake
Bake for 25–30 minutes, or until:
Cheese is melted
Edges are bubbling
Center is set
Broil for 2 minutes at the end for a browned top (optional but delicious).
🍽 Serve with
Cauliflower rice
Over sautéed mushrooms
On top of roasted veggies
Or in a low-carb tortilla for a “Philly wrap”
💪 Macros (approx per serving)
(Based on 6 servings)
Calories: 330–380
Protein: 32–40g
Carbs: 6–9g
Fat: 18–22g
⭐ Optional Add-Ins
For more protein
Add ¾ cup egg whites to the creamy mixture.
Use extra-lean beef.
For more cheesesteak flavor
Add ½ tsp liquid smoke
Add banana peppers on top
For a keto version
Replace Greek yogurt with more cream cheese
Use full-fat cheeses
