Philly Cheesesteak Casserole Recipe 

This Philly Cheesesteak Casserole is a hearty, cheesy, and flavorful dish that brings all the classic flavors of a Philly cheesesteak in an easy-to-make casserole form! Perfect for busy weeknights and low-carb/keto-friendly.
Ingredients:
Main Ingredients
- 1 ½ lb. ground beef (or ground steak for extra flavor)
- 2 bell peppers, chopped (red, green, or a mix)
- ½ onion, chopped
- 2 tsp. minced garlic
- 1 tsp. seasoned salt
Cheesy Layer
- 8 slices provolone cheese
Egg Mixture
- 4 large eggs
- ¼ cup heavy whipping cream
- 2 tsp. Worcestershire sauce
Optional Add-Ins for Extra Flavor:
- ½ tsp black pepper
- ½ tsp paprika
- 1 tbsp cream cheese for extra creaminess
Step-by-Step Instructions
Step 1: Preheat the Oven
- Preheat your oven to 350°F (175°C) to ensure even cooking.
Step 2: Brown the Meat
- Heat a large skillet over medium-high heat.
- Add 1 ½ lb. ground beef and cook until browned, breaking it up as it cooks.
Step 3: Sauté the Vegetables
- Add ½ chopped onion and 2 chopped bell peppers to the beef.
- Cook until the veggies soften and the beef is fully browned.
Step 4: Season the Mixture
- Stir in 2 tsp. minced garlic and 1 tsp. seasoned salt.
- Cook for 30 seconds to infuse the flavors.
- Drain excess grease if needed.
Step 5: Layer the Casserole
- Grease a 9×9-inch baking dish.
- Spread the beef and veggie mixture evenly in the dish.
Step 6: Add the Cheese
- Layer 8 slices of provolone cheese over the meat mixture, ensuring full coverage.
Step 7: Make the Egg Mixture
- In a bowl, whisk together:
4 large eggs
¼ cup heavy whipping cream
2 tsp. Worcestershire sauce
- Mix until smooth.
Step 8: Pour the Egg Mixture
- Pour the egg mixture evenly over the beef and cheese layers.
Step 9: Bake the Casserole
- Bake at 350°F for 35-40 minutes, or until the eggs are set and the top is lightly golden.
Step 10: Serve & Enjoy!
- Let the casserole rest for 5 minutes before serving.
- Garnish with fresh parsley or extra cheese (optional).
30 Popular Questions & Answers
1-10: Ingredients & Substitutions
Can I use ground chicken or turkey instead of beef?
- Yes! Ground chicken or turkey works great for a leaner option.
Can I use sliced steak instead of ground beef?
- Absolutely! Thinly sliced ribeye or sirloin will give it a more authentic cheesesteak taste.
What type of cheese is best?
- Provolone is classic, but you can also use mozzarella, cheddar, or American cheese.
Can I use milk instead of heavy cream?
- Yes, but heavy cream makes it richer and creamier.
What kind of bell peppers should I use?
- Green bell peppers are classic, but red, yellow, or a mix works too.
Is Worcestershire sauce necessary?
- It adds depth, but you can use soy sauce or steak sauce as an alternative.
Can I add mushrooms?
- Yes! ½ cup sliced mushrooms adds extra umami flavor.
Can I make it spicier?
- Add ½ tsp cayenne pepper or red pepper flakes.
Can I make it dairy-free?
- Yes, use non-dairy cheese and coconut cream instead of heavy cream.
What herbs can I add?
- Fresh parsley or thyme adds a nice touch.
11-20: Cooking Techniques & Tips
Do I have to drain the beef?
- Yes! Excess grease can make the casserole soggy.
How do I make it extra cheesy?
- Add ½ cup shredded cheddar on top before baking.
Can I cook it in a cast iron skillet?
- Yes! It can go straight from stove to oven for easy cleanup.
What’s the best way to prevent it from getting watery?
- Drain the grease well and avoid adding too many veggies.
Can I make this in a slow cooker?
- Yes! Cook on low for 4-5 hours, then add cheese and let melt.
How do I get a crispy top?
- Broil for 2 minutes after baking.
Can I use pre-cooked beef?
- Yes! Just mix it with the sautéed veggies.
Should I cover it while baking?
- No, leave it uncovered for a firm top.
How do I make mini casseroles?
- Use muffin tins for individual portions.
What’s the best pan to use?
- A ceramic or glass baking dish works best.
21-30: Storage & Meal Prep
How long does it last in the fridge?
- Up to 4 days in an airtight container.
Can I freeze this casserole?
- Yes! Freeze for up to 3 months.
How do I reheat leftovers?
- Oven: 350°F for 10 minutes.
- Microwave: 1-2 minutes.
Can I make this ahead of time?
- Yes! Prep everything, refrigerate overnight, and bake the next day.
Can I serve this with bread?
- Yes! Serve with garlic bread or dinner rolls.
What drink pairs well with this?
- Iced tea, soda, or a cold beer.
Can I serve this with pasta?
- Yes! Spoon over buttered noodles for a Philly Cheesesteak Pasta.
Can I make this casserole keto-friendly?
- Yes! Skip onions and use 1 cup of chopped mushrooms instead.
How do I make it creamier?
- Add ½ cup of cream cheese to the egg mixture.
What side dishes go well with this?
- Roasted veggies, salad, or coleslaw.
Tips to Make It Even More Delightful
Cooking Tips:
Use lean ground beef to reduce excess grease.
Add sliced mushrooms for more flavor.
Cook bell peppers until slightly caramelized.
Cheesy Upgrades:
Mix in cheddar for extra cheesiness.
Add Parmesan for a nutty kick.
Serving Ideas:
Serve in a hoagie bun for a cheesesteak sandwich!
Try it with scrambled eggs for breakfast.
With these tips, answers, and recipe variations, you’ll have the best Philly Cheesesteak Casserole every time! Enjoy!