Others have reported finding magnum bottles of Oro Bailén at Costco at a total steal of just $39.99, with similar sizes selling at $150 online. Which brand of olive oil do you prefer? With high ...

In fact, a 2022 European Commission report highlighted olive oil as a food that is often mislabeled. That's why Costco's entry into the olive oil market is such a breath of fresh air. Its Kirkland ...

Instead, she told The Seattle Times that she recommends Kirkland Signature organic extra-virgin olive oil for everyday use. "It's really good!" she told The Times. The data backs Nosrat's take.