Combine two legendary comfort foods into one irresistible weeknight dish with this Philly Cheesesteak Tater Tot Casserole! Featuring savory sliced steak, sweet bell peppers, and tender onions simmered in a rich garlic Parmesan and A.1. steak sauce blend, blanketed in melted provolone cheese, and topped with an ultimate layer of crispy, golden tater tots, this hearty casserole is guaranteed to be a massive crowd-pleaser.
| Detail | Info |
|---|---|
| Prep Time | 15 minutes |
| Cook Time | 35–45 minutes |
| Total Time | 50–60 minutes |
| Servings | 6 to 8 servings |
| Difficulty | Very Easy |
| Cuisine | American Comfort Casserole |
Why This Recipe Works
This casserole takes all the iconic flavor notes of a classic Philly cheesesteak—savory shaved beef, melted provolone, and sautéed peppers and onions—and pairs them with a rich creamy garlic Parmesan sauce. Layering frozen tater tots directly on top ensures that as the casserole bakes, the tots turn wonderfully crisp and golden while soaking up all those incredible savory juices underneath.
Ingredients
The Steak, Peppers, & Aromatics
| Ingredient | Quantity | Notes |
|---|---|---|
| Steak-umm sliced steaks | 1 box (15 oz) | Quick-cooking sliced steak |
| Green bell pepper | 1 medium | Sliced |
| Red bell pepper | 1 medium | Sliced |
| Yellow onion | 1 medium | Sliced |
| A.1. steak sauce | 2–3 tbsp | Adds classic tangy depth |
The Sauce & Cheese Base
| Ingredient | Quantity | Notes |
|---|---|---|
| Creamy garlic Parmesan sauce | 1 ½ cups | Creates a rich, velvety base |
| Provolone cheese | 12 slices | Or about 2 cups shredded provolone/mozzarella blend |
The Crispy Potato Topping
| Ingredient | Quantity | Notes |
|---|---|---|
| Frozen golden tater tots | 1 bag (32 oz) | Forms the crunchy top crust |
Step-by-Step Instructions
Phase 1: Sautéing the Steak and Veggies
- Preheat your oven to 400°F (200°C) and lightly grease a large casserole dish.
- Cook the sliced steaks in a large skillet over medium-high heat until browned, breaking them apart into bite-sized pieces as they cook.
- Add the sliced green bell pepper, red bell pepper, and yellow onion to the skillet with the steak. Cook until the vegetables are softened and tender.
Phase 2: Assembling the Casserole Base
- Stir the A.1. steak sauce and creamy garlic Parmesan sauce directly into the skillet with the steak and vegetable mixture, tossing until everything is thoroughly coated and warm.
- Transfer the rich steak and vegetable mixture into the prepared greased casserole dish, spreading it out into an even layer.
- Top the mixture evenly with the slices of provolone cheese (or your shredded cheese blend).
Phase 3: Adding Tots and Baking
- Arrange the frozen tater tots in an even, tight layer across the top of the cheese and steak mixture.
- Bake in the preheated oven for 35 to 45 minutes, or until the tater tots are deeply golden and crispy and the cheese underneath is bubbling and melted.
- Remove from the oven, let cool for a few minutes, and serve hot!
Chef Tips for Perfect Results
Extra Crispy Tots: If you prefer your tater tots extra crunchy, you can pop the casserole under the broiler for the final 2–3 minutes of baking—just keep a close eye on them so they don’t burn!
Cheese Customization: While provolone is authentic to a Philly cheesesteak, swapping a portion of it for shredded mozzarella or mild white cheddar adds an even gooier pull.
Conclusion
Philly Cheesesteak Tater Tot Casserole is a fun, decadent twist on two family favorites. Hearty, cheesy, and topped with irresistible crispy potatoes, it’s the ultimate comfort food meal for any night of the week!