In a bowl, combine together spinach, ricotta and parsley. Season with salt and pepper. Set aside.
Place a roti on a flat work surface. Place 3 tablespoons spinach-ricotta mixture on one side of the roti. Roll into a cylinder. Continue with the rest of the rotis. Set aside.
Cover the base of a 20cm x 28 cm baking dish with one cup tomato passata.
Place rotis side by side in the baking dish in a single layer. Top with the remaining tomato passata and cheese.