Meatball Sub Casserole

This meatball sub casserole is the ultimate comfort food meal. It literally is a deconstructed meatball sub in casserole form, made even better with a few secret ingreidents. This recipe is more delicious than any meatball sub you've ever had, and it's super easy to make! 

The Best Meatball Sub Casserole

If you love meatball subs but want the convenience of an all-in-one casserole, look no further than this easy meatball sub casserole recipe.

It has baguette slices layered with a decadent creamy cheese sauce, spaghetti sauce, and tender meatballs. Everything is baked under a layer of ooey-gooey melted mozzarella cheese for a meal that's just irresistible.

Gah, it's so good, and this is actually a really convenient casserole recipe too. You pretty much just layer everything in a casserole dish and let the oven take care of the rest. 

This meatball sub casserole is the perfect dinner to make on a busy weeknight, and it doubles as a convenient and impressive dish to serve if you're hosting!

As good as this meatball sub casserole is by itself, it's even better served with this lazy lasagna or million dollar spaghetti casserole for an Italian feast!

Why You'll Love This Recipe

It takes 5 minutes to prepare. As I mentioned, you just have to layer everything in your casserole dish, then the oven takes it from there. 

Better than the sandwich. Classic meatball subs are pretty darn good, but this casserole version with baguettes instead of rolls is even better!

Everyone loves it. This meatball casserole is one of those easy casserole recipes that's a hit with both kids and adults. If anyone likes meatballs, cheese, and sauce, they'll love this recipe!

Ingredients

The ingredient list for this meatball casserole recipe is really basic. Check out everything you'll need to make a casserole meatball sub style:

• 1 baguette, sliced
• 12-16 frozen meatballs
• 2 cup pasta sauce
• 1 cup softened cream cheese
• 1 tbsp. oregano or Italian seasoning
• 1 cup shredded mozzarella cheese
• 1 cup grated parmesan cheese
• fresh parsley to serve

If you're heading to the store to grab frozen meatballs, you might as well grab some extra and use them to make this dump and bake meatball casserole next. It's another one of my favorite meatball casserole recipes.

How To Make Meatball Sub Casserole

1. Prep work: Preheat the oven to 350°F (180ºC) and lightly grease a baking dish with nonstick cooking spray.

2. Make the filling: Mix the shredded mozzarella cheese, cream cheese, oregano, salt, and pepper in a large bowl until well combined.

3. Assemble the casserole: Layer the bottom of the casserole dish with bread slices. Top the bread slices with the cream cheese mixture. Spread the frozen meatballs in an even layer across the cream cheese mixture and top them with the spaghetti sauce and parmesan cheese.

4. Bake the casserole: Cover the casserole with tin foil and bake for 35-40 minutes or until the meatballs are cooked through and the cheese is melted. Serve with fresh parsley and more parmesan cheese on top. Enjoy!

Tips To Make The Best Recipe

• Make homemade meatballs for a more authentic flavor. You can make these oven baked meatballs and then freeze them until you're ready to make this casserole.
• Use softened cream cheese to make everything easier to mix. 
• Experiment with adding ingredients like ricotta cheese, red pepper flakes, minced garlic, or spinach for more flavor.
• Mix the pasta sauce, marinara sauce, or spaghetti sauce of your choice with Italian seasoning, garlic powder, or onion powder for more flavor.
• Toast the bread slices first for a more crisp-textured casserole.
• Swap French bread slices for Italian bread or cooked frozen garlic bread for more flavor.

How To Store Meatball Sub Casserole

In the fridge: Put a lid on the casserole dish and store it in the fridge as is, or you can store the leftover meatball casserole in an airtight container. It'll stay good for up to 4 days.

In the freezer: Allow the cooked meatballs sub casserole to cool completely, then transfer the leftovers to a freezer-safe container or freezer-safe bag and freeze it for up to 3 months.  

Reheating: Put the leftovers back in a casserole dish and warm it in the oven at 350°F for about 10 minutes or until it's fully heated. Add more cooking time for the frozen casserole or let it thaw overnight in the fridge.

FAQS About This Meatball Sub Casserole Recipe

What is a good side dish to go with meatball subs?

They're delicious served with a light side like this house salad or La Scala chopped salad. Or you can serve the subs with these fried red tomatoes or Italian cheese bread for a heartier meal.

What is the best cheese to put on a meatball sub?

The best cheese to put on a meatball sub is mozzarella cheese and provolone cheese since both kinds of cheese melt well.

What vegetables are good on a meatball sub?

The best vegetables to go on a meatball sub are sliced bell peppers, onions, spinach, or mushrooms since they add a nice flavor and texture without overpowering the sub.

More Casserole Recipes

• Meatball casserole
• Runza casserole
• French fry casserole
• Cheesy tater tot casserole
• Chicken spaghetti casserole
• Pepperoni pizza casserole 
• Eggplant casserole