Storing Fresh Tomaotoes Recipe

Ingredients

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• Published July 1, 2008. From Cook's Illustrated. shopping list
• How can I prolong the shelf life of a tomato? shopping list
• We’ve heard that storing a tomato with its stem end facing down can prolong shelf life. shopping list
• To test this theory, we placed one batch of tomatoes stem-end up and another stem-end down and stored them at room temperature. A week later, nearly all the stem-down tomatoes remained in perfect condition, while the stem-up tomatoes had shriveled and started to mold. shopping list
• Why the difference? We surmised that the scar left on the tomato skin where the stem once grew provides both an escape for moisture and an entry point for mold and bacteria. Placing a tomato stem-end down blocks air from entering and moisture from exiting the scar. shopping list
• To confirm this theory, we ran another test, this time comparing tomatoes stored stem-end down with another batch stored stem-end up, but with a piece of tape sealing off their scars. The taped, stem-end-up tomatoes survived just as well as the stem-end-down batch. shopping list