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Short, practical guides from the panel that tastes and scores every oil in the library.

These are the working notes behind the scores: how we taste, what the three positives actually are, why colour tells you nothing, and how to keep a good oil from going flat before you finish the bottle.

Each guide is written by a member of the tasting panel and revised as the method changes. Where a guide names an oil, it links to that oil's entry in the library so you can taste along with it.