Before placing a new olive oil on the shelves, premium food buyers face a stack of questions—and pressures. Overlooked details can affect not only taste but trust. Drawing on Crete’s olive world, here’s what to ask, and why it matters....

When the harvest trucks roll into a Cretan olive mill, the work is far from over. Behind closed doors, a series of steady, practical steps begins, shaping the final oil that ends up in our kitchens....