Next, place the frozen meatballs in a round or square baking dish, ensuring they are in a single layer.
Pour the marinara sauce over the meatballs, making sure they are fully covered.
Then, add a generous amount of mozzarella cheese on top.
Lastly, sprinkle some Italian seasoning over the dish.
Place the baking dish in the oven and bake for about 25 minutes, no longer than 35 minutes. Top with parsley and Parmesan cheese (optional).
Notes
Dump-and-bake meatball casserole will be the next family favorite because it simply tastes amazing. Get ready to bake this meal with ease.
Serve with Rolls: Make a meatball sub because you want something even more filling for dinner.
Potluck Dish: This is a great meal to make if you have a party because of its serving size.
Different Herbs: Different seasonings or fresh herbs will give you that delicious taste you want because of the flavors. Basil, oregano, red pepper flakes and garlic powder will make meatball casserole so perfect.