Why meal kits haven't delivered a cooking revolution—yet

The meal-kit business may be heading for a food fight. On one side: retail giant (and Whole Foods acquirer) [f500link]Amazon[/f500link], which recently started selling boxes of pre-measured ingredients and easy-to-follow cooking instructions to some customers. On the other: smaller companies that were already doing this, including HelloFresh, Plated, and Blue Apron, which went public on June 29. But no matter which company emerges victorious, the meal-kit industry is still rife with issues.