I Tried Every Trader Joe’s Olive Oil, and This Is the Best One to Buy Recently, I ventured into Trader Joe’s and picked up ...

Just one country is a good sign, but multiple countries could be a red flag ... and it helps them bottle oil on a large scale. However, olive crops around the world ripen at different times.

In talking to the pros, I learned that following several basic guidelines will get you most of the way to buying a solid bottle. To start, you should be looking for extra-virgin olive oil ...