Indulge in the hearty goodness of Philly Cheese Steak Casserole — a comforting dish that brings the classic flavors of a Philly cheesesteak into a warm, cheesy casserole. This recipe combines tender steak, sautéed peppers, and gooey cheese, making it a perfect weeknight meal or a crowd-pleaser for gatherings. Easy to prepare and packed with flavor, this casserole is sure to become a family favorite!
Ingredients
– 1 pound flank steak, thinly sliced
– 1 medium onion, sliced
– 1 bell pepper, sliced
– 2 cups mushrooms, sliced
– 2 cups shredded cheddar cheese
– 1 cup cream cheese
– 1 tablespoon Worcestershire sauce
– 1 teaspoon garlic powder
– Salt and pepper to taste
– 1 package of frozen tater tots
Servings and Cooking Time
This recipe serves 6 people. Preparation time is approximately 15 minutes, and cooking time is around 45 minutes.
Nutritional Value
Per serving (1/6 of the casserole): Calories: 450, Protein: 30g, Fat: 30g, Carbohydrates: 15g. This nutritional information is based on a standard serving size.
Step-by-Step Cooking Process
1. Preheat the oven to 350°F (175°C).
2. In a skillet, cook the sliced flank steak over medium heat until browned.
3. Add the sliced onion and bell pepper; sauté until softened.
4. Stir in the sliced mushrooms and cook until they release moisture.
5. Add Worcestershire sauce, garlic powder, salt, and pepper; mix well.
6. In a large bowl, combine cooked meat mixture with cream cheese.
7. Spread the mixture evenly in a greased casserole dish.
8. Layer the frozen tater tots on top of the meat mixture.
9. Sprinkle shredded cheddar cheese over the tater tots.
10. Bake in the preheated oven for 30 minutes or until the cheese is bubbly and golden.
Alternative Ingredients
You can substitute flank steak with ground beef or turkey for a leaner option. Additionally, feel free to use any cheese you prefer, such as provolone or mozzarella. For a vegetarian version, replace the meat with sautéed zucchini or eggplant.
Serving and Pairings
This casserole can be served with a fresh garden salad or crusty bread. For a heartier meal, consider pairing it with roasted vegetables or a side of coleslaw.
Storage and Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply place in the oven at 350°F (175°C) until warmed through. This casserole can also be frozen for up to 2 months; thaw in the fridge before reheating.
Cooking Mistakes
– Avoid overcooking the steak to keep it tender.
– Don’t skip the sautéing step for vegetables; it enhances flavor.
– Ensure even layering of ingredients for consistent cooking.
– Use a greased dish to prevent sticking.
– Check the casserole regularly to avoid burning.
– Adjust seasoning to taste before baking.
– Use fresh ingredients for the best flavor.
Helpful Tips
– Slice the steak against the grain for tenderness.
– Let the casserole sit for a few minutes before serving for easier slicing.
– Experiment with different bell pepper colors for a vibrant look.
– Use leftover steak or roast for a quicker prep time.
FAQs
Can I make this casserole ahead of time?
Yes, you can prepare the casserole ahead of time and refrigerate it. Just bake it when you’re ready to serve.
What can I use instead of tater tots?
You can use hash browns or even a layer of mashed potatoes for a different texture.
Is this recipe gluten-free?
To make it gluten-free, ensure your Worcestershire sauce is gluten-free and use gluten-free tater tots.
Can I add more vegetables?
Absolutely! Feel free to add spinach, zucchini, or any other favorite vegetables to boost nutrition.
How do I know when the casserole is done?
The casserole is done when the cheese is melted and bubbly, and the edges are lightly golden.
Can I reheat leftovers in the microwave?
Yes, you can reheat leftovers in the microwave, but the texture may not be as crispy.
Is this casserole suitable for meal prep?
Yes, it stores well and can be a great option for meal prep for the week.
Conclusion
Philly Cheese Steak Casserole is a delightful and easy-to-make dish that combines all the flavors of a classic Philly cheesesteak in a comforting casserole. Perfect for family dinners or gatherings, this recipe is sure to impress. Enjoy the rich flavors and cheesy goodness that make this dish a true favorite!

Philly Cheese Steak Casserole
Ingredients
- 1 pound flank steak thinly sliced
- 1 medium onion sliced
- 1 bell pepper sliced
- 2 cups mushrooms sliced
- 2 cups shredded cheddar cheese
- 1 cup cream cheese
- 1 tablespoon Worcestershire sauce
- 1 teaspoon garlic powder
- Salt and pepper to taste
- 1 package of frozen tater tots
Instructions
- Preheat the oven to 350°F (175°C).
- In a skillet, cook the sliced flank steak over medium heat until browned.
- Add the sliced onion and bell pepper; sauté until softened.
- Stir in the sliced mushrooms and cook until they release moisture.
- Add Worcestershire sauce, garlic powder, salt, and pepper; mix well.
- In a large bowl, combine cooked meat mixture with cream cheese.
- Spread the mixture evenly in a greased casserole dish.
- Layer the frozen tater tots on top of the meat mixture.
- Sprinkle shredded cheddar cheese over the tater tots.
- Bake in the preheated oven for 30 minutes or until the cheese is bubbly and golden.