It's true what they say: The best-tasting tomato is always the one you grow yourself. But which tomato to grow? With some 3,000 heirloom varieties out there—from 'Ananas Noir' to 'Green Zebra'—the possibilities can be downright paralyzing. And that's before you even begin to contemplate other crops. So we turned to the real experts: chefs renowned for their skill with fresh vegetables. Alice Waters, the woman who practically invented the farm-to-table movement, weighed in. As did Peter Hoffman. And Rick Bayless. These slow-food pioneers, as well as 10 of their peers, delivered the momentum—selecting nearly 100 incredible edibles—that set our organic kitchen-garden project in motion