Cheesy Meatball Sub Casserole

Follow our step-by-step guide on how to make Cheesy Meatball Sub Casserole.

1. Step 1

   Start by preheating your oven to a cozy 425°F (220°C).

2. Step 2

   While the oven warms up, grab a baking sheet and lay out your frozen garlic bread with the spread side facing up.

3. Step 3

   Pop it in the oven and let it bake until it turns warm and golden brown, which should take about 10 to 12 minutes.

4. Step 4

   Once it’s done, take it out and let it cool for a moment.

5. Step 5

   Now, lower the oven temperature to a gentle 350°F (175°C).

6. Step 6

   Next, in a large pot, bring your spaghetti sauce to a lively boil.

7. Step 7

   Toss in the frozen meatballs and then reduce the heat to low, allowing everything to simmer together for about 20 minutes until the meatballs are heated through and infused with that delicious sauce flavor.

8. Step 8

   While that’s happening, take your cooled garlic bread and tear it into bite-sized pieces.

9. Step 9

   Spread these delightful morsels evenly across the bottom of a 9x13-inch baking dish, creating a cozy base for your casserole.

10. Step 10

    Now, it’s time to pour the savory meatballs and spaghetti sauce over the garlic bread, making sure every piece is well-coated and the meatballs are nicely distributed throughout.

11. Step 11

    To finish this comforting dish, sprinkle a generous layer of shredded mozzarella cheese on top, followed by a dusting of grated Parmesan cheese for that extra touch of flavor.

12. Step 12

    Slide the casserole into your preheated oven and let it bake until the cheese is melted and bubbly, which should take about 20 to 25 minutes.

13. Step 13

    The aroma wafting through your kitchen will be irresistible! Once it’s ready, take a moment to admire your creation before serving up this hearty, cheesy delight that’s sure to please everyone at the table.

14. Step 14

    Enjoy!.