While there is no arguing with the variety of vegetables available in supermarkets, freshness is relative. Buying vegetables requires a trained eye and nose. A basic rule of thumb is: if it smells good, looks good, with a firm body and pure green leaves, the veggie is a good choice. If the veggie...

Potatoes should be stored in bowls on top of a cabinet or table. Discard any that appear to be rotting because touching other potatoes quickly spreads the rot. Leafy and vine-grown vegetables should be washed then placed in open plastic storage bags lined with one or two sheets of paper towels to...