Tomato passata recipe is made with only 1 ingredient: the tomato. In fact, Italian passata is made from ripe, juicy, flavorful tomatoes cooked briefly and then removed from the seeds and skin.The result is a pure tomato juice with its pulp and nothing else, used in Italy as a base for many traditional recipes.Stored in glass jars or bottles without the addition of preservatives, flavorings, salt or water. Sometimes it comes with some fresh basil leaves but nothing more.