1. To begin with, start the oven to preheat to 425 degrees F.
2. Then stir together uncooked pasta, marinara sauce, water, and meatballs in a large baking dish.
3. After that, make sure to cover tightly with aluminum foil and bake for half an hour. And please uncover and stir.
4. Ok now, go ahead and sprinkle mozzarella over the top. Finally, bake uncovered until cheese is melted and pasta is tender, it takes around 10 minutes more.
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