Chef and bestselling cook book author Samin Nosrat disagrees. https://www.huffpost.com/entry/costco-olive-oil_n_5981e0abe4b09d24e9945c22 https://www.huffpost.co

Chef and bestselling cook book author Samin Nosrat disagrees. https://www.huffpost.com/entry/costco-olive-oil_n_5981e0abe4b09d24e9945c22 https://www.huffpost.com/entry/costco-olive-oil_n_5981e0abe4... Kirkland organic olive oil has won quite a few blind taste tests and awards. Something that many small batch wines cannot even do.