Produce

Tomatoes (Whole)

Refrigerating an unripe tomato can dull its flavor and give it a mealy texture, a genuine, well-documented physiological reaction distinct from most other fruits, where refrigeration is more straightforwardly beneficial.

Botanically, a tomato is a fruit, though it's legally classified as a vegetable in the US following an 1893 Supreme Court ruling based on its culinary use rather than its botanical classification.

Heirloom tomato varieties, grown from open-pollinated seeds passed down over generations rather than hybridized for shipping durability, are prized for flavor complexity that many commercial hybrid varieties trade away for uniformity and shelf life.

Beefsteak, cherry, and Roma tomatoes serve genuinely different culinary roles rather than being interchangeable sizes of the same thing — a beefsteak's high water content suits a thick-sliced sandwich tomato, a cherry tomato's concentrated sweetness works well roasted whole or eaten raw, and a Roma's lower water content and denser flesh make it the preferred choice for cooking down into a sauce.

Home canning whole tomatoes for pantry storage requires adding a measured amount of bottled lemon juice or citric acid to each jar, since modern tomato varieties can have lower and more variable acidity than older varieties tested decades ago, and that added acid is what makes a water-bath-processed jar of tomatoes safely shelf-stable.

Tomato paste, tomato sauce, and canned whole tomatoes represent three different points along the same basic processing spectrum — paste is cooked down the longest for the most concentrated flavor, sauce sits in the middle, and whole canned tomatoes are the least processed, preserving the most of the fruit's original texture and brightness for a cook to break down further at home.

Fresh tomato season in most of the US runs from mid-summer through early fall, which is why a tomato bought at a farmers market in July often tastes noticeably better than one bought from a supermarket in January, when most commercially available fresh tomatoes have been shipped from a warmer growing region and picked before full ripeness to survive the trip.

Blanching a tomato briefly in boiling water before plunging it into ice water is the standard technique for loosening its skin for peeling, a step commonly done before making a smooth sauce or canning tomatoes, since the skin doesn't break down during cooking the way the flesh does and can leave an unwanted papery texture if left on.

Green, unripe tomatoes are a genuine cooking ingredient in their own right rather than simply a tomato that failed to ripen in time — fried green tomatoes, a classic Southern US dish, rely specifically on the firmer texture and tartness of an unripe tomato, which would simply turn mushy if a ripe, red tomato were substituted.

Dry-farmed tomatoes, grown with deliberately reduced irrigation to stress the plant into concentrating sugars and flavor in a smaller yield of fruit, have become a premium specialty product in some farmers markets, trading overall size and quantity for a more intensely flavored tomato prized by chefs and serious home cooks alike.