Canned tomatoes, or tinned tomatoes, are

tomato The tomato is the edible berry of the plant ''Solanum lycopersicum'', commonly known as the tomato plant. The species originated in western South America, Mexico, and Central America. The Mexican Nahuatl word gave rise to the Spanish word ...

es, usually peeled, that are sealed into a can after having been processed by heat.

Variants

Canned tomatoes are available in several different forms. The traditional forms are whole peeled tomatoes, packed in

juice Juice is a drink made from the extraction or pressing of the natural liquid contained in fruit and vegetables. It can also refer to liquids that are flavored with concentrate or other biological food sources, such as meat or seafood, such as ...

purée A purée (or mash) is cooked food, usually vegetables, fruits or legumes, that has been ground, pressed, blended or sieved to the consistency of a creamy paste or liquid. Purées of specific foods are often known by specific names, e.g., apple ...

, and ground tomatoes, sometimes referred to as "kitchen-ready." Ground tomatoes are not to be confused with purée, which is similar but more cooked. Taste tests indicate that whole tomatoes packed in juice tend to be perceived as fresher-tasting than those packed in purée. Crushed tomatoes, commonly used for pasta sauces, are made by adding ground tomatoes to a heavy medium made from

tomato paste Tomato paste is a thick paste made by cooking tomatoes for several hours to reduce the water content, straining out the seeds and skins, and cooking the liquid again to reduce the base to a thick, rich concentrate. It is used to impart an inten ...

. Diced tomatoes have become increasingly common for applications where a chunkier or more substantial product is needed. In recent years, the Petite Diced form (3/8" cut pieces) has become the fastest growing segment of canned tomatoes.

Usage

In areas and situations where in-season, perfectly ripe tomatoes are not available, canned tomatoes are often used as an alternative to prepare dishes such as

tomato sauce Tomato sauce (also known as ''salsa roja'' in Spanish or ''salsa di pomodoro'' in Italian) can refer to many different sauces made primarily from tomatoes, usually to be served as part of a dish, rather than as a condiment. Tomato sauces are c ...

or pizza. The top uses for canned tomatoes are

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...

pasta Pasta (, ; ) is a type of food typically made from an unleavened dough of wheat flour mixed with water or eggs, and formed into sheets or other shapes, then cooked by boiling or baking. Rice flour, or legumes such as beans or lentils, ar ...

sauce In cooking, a sauce is a liquid, cream, or semi-solid food, served on or used in preparing other foods. Most sauces are not normally consumed by themselves; they add flavor, moisture, and visual appeal to a dish. ''Sauce'' is a French wor ...

s, chili, soup, pizza, stew, casseroles, and Mexican cuisine.

Economic aspects

Industrially produced canned tomatoes are an important product and subject to regular market analysis as well as trade considerations.

Home preservation

Home canned tomatoes may be prepared in a number of ways. However, safety measures need to be taken since improperly canned tomatoes can cause

botulism Botulism is a rare and potentially fatal illness caused by a toxin produced by the bacterium ''Clostridium botulinum''. The disease begins with weakness, blurred vision, feeling tired, and trouble speaking. This may then be followed by weakne ...

poisoning, whether produced industrially or at home.

Diced tomatoes

Diced tomatoes usually refers to

es that have been

diced Dicing is a culinary knife cut in which the food item is cut into small blocks or dice. This may be done for aesthetic reasons or to create uniformly sized pieces to ensure even cooking. Dicing allows for distribution of flavour and texture ...

. In the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

retail environment, however, the term refers to canned chunks of

plum tomato A plum tomato, also known as a processing tomato or paste tomato, is a type of tomato bred for sauce and packing purposes. It is generally oval or cylindrical in shape, with significantly fewer locules (seed compartments, usually only two) than ...

es in tomato juice or tomato purée, sometimes seasoned with

basil Basil (, ; ''Ocimum basilicum'' , also called great basil, is a culinary herb of the family Lamiaceae (mints). It is a tender plant, and is used in cuisines worldwide. In Western cuisine, the generic term "basil" refers to the variety also k ...

or garlic. This product is a relatively recent arrival in the processed tomato market, and has become quite popular since its introduction in the mid-90s, probably due to American tastes for a chunkier

Calcium chloride Calcium chloride is an inorganic compound, a salt with the chemical formula . It is a white crystalline solid at room temperature, and it is highly soluble in water. It can be created by neutralising hydrochloric acid with calcium hydroxide. Ca ...

is sometimes added to stabilize the cell structure of the canned tomatoes, giving the end product a firmer texture. Canned diced tomatoes are primarily used in

Italian-American cuisine Italian-American cuisine is a style of Italian cuisine adapted throughout the United States. Italian-American food has been shaped throughout history by various waves of immigrants and their descendants, called Italian Americans. As immigrants ...

. They are generally available in two sizes, regular (roughly 2 cm or 7/8 in) for long-cooked dishes and petite (roughly 1 cm) for quicker applications.

References