What is the cookin ingredient passata?

Passata is a popular Italian ingredient made from uncooked, crushed, sieved tomatoes. Using high quality tomatoes results in a tomato paste that is used as a base for sauces. It can usually be found in Italian delis and in supermarkets around Europe. If you can't find it in supermarkets you can easily make your own passata by pureeing high quality tomatoes at home. San Marzano tomatoes are popular for passata.