Step 1

Preheat oven to 375F (190C).

Step 2

Stir marinara sauce, tomatoes, water, and rice together in a 13-inch by 9-inch baking dish. Add meatballs and stir to combine.

Step 3

Cover the baking dish tightly with a lid or foil.

Step 4

Bake for 60-75 minutes or until the rice is tender. During the final 5 minutes of cooking, remove dish from oven, uncover, and sprinkle with mozzarella and Parmesan. Place back in the oven (uncovered) for the final 5 minutes, or until cheese is melted.

Step 5

Garnish with parsley just before serving.