Check for seal of approval before buying that expensive bottle of olive oil

We’ve shown you a few ways to tell if that pricey bottle of olive oil is worth your money, but here’s another one: check for a seal of approval from the local or regional authority where it was bottled. As an example, Zester Daily explains that many California olive oils are sent to the California Olive Oil Council’s panel of expert testers for certification … If the oil does pass, the oil company gets to put a much-coveted seal of approval on the bottle to prove their extra virgin olive oil is the real thing, and not a mish-mash of oils from various places and pressings.