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Costco’s Kirkland Signature extra virgin olive oil uses the Bureau Veritas certification, the little red label on the back of its bottles, which means it’s legit Italian olive oil! The key to the Bureau Veritas certification is its independent status and ability to trace the origin of the olive oil.
This is great news because Costco’s extra virgin olive oil is one of the best deals you can find for the quality. You can tell it’s the real deal by its taste, too. Real extra virgin olive oil tastes green and grassy with a bright, earthy pepperiness. Luckily, this Kirkland Signature olive oil passes this taste test, which is why it’s one of our 7 items you should pick up on your next trip to Costco.
Read more: The BBQ Sauce Brand That’s Won Some Seriously Prestigious Awards
What, Exactly, Is Extra Virgin Olive Oil?
Olive oil poured into a glass near olives and an olive branch – Hakaneliacik / 500px/Getty Images
There’s a reason people love extra virgin olive oil — it’s unprocessed, chemical-free, cold-pressed oil from crushed olives. It must come from the first pressing and contain a specific amount of acidity (regular olive oil can use heat and chemicals in its extraction process). Extra virgin olive oil is also loaded with more healthy polyphenols.
This may sound like you should always ignore regular olive oil, but keep the smoke point in mind if you cook. While cooking with extra virgin olive oil is fine, it has a lower smoke point; once your oil begins smoking, it starts to oxidize and can create harmful compounds you do not want to eat! This is a common error and is one of the 13 mistakes people often make with olive oil.
Generally, regular olive oil’s smoke point is 390-470 degrees Fahrenheit, while extra virgin olive oil’s is 350-430 degrees. Knowing when to use each type of olive oil is important, and luckily, Costco sells them all!
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