Olive Oil Basics1 min read September 2026

How to Spot a Truly Great Extra Virgin Olive Oil

Not all olive oils are created equal. Discover the signs of truly great extra virgin olive oil and learn how to choose the best for your table.

Several olive oil bottles lined up on a wooden counter, labels visible

Most of what you need is printed somewhere on the bottle. The trick is knowing which parts mean something and which parts are decoration.

Look for a harvest date, not just a best-before

Best-before dates are set by the producer and tell you little. A harvest date tells you how old the oil actually is. Olive oil is a fruit juice: within 18 months of harvest, kept cool and dark, is where you want to be.

Origin should be specific

"Product of the EU" or "bottled in" is not origin. A serious oil names the region, and often the estate. Ours name two: Phaistos in Crete and Plomari in Lesvos, because we buy from the same growers there every year.

Single varietal beats a blend you cannot trace

Blending is not automatically bad, but a blend is hard to verify and easy to change quietly between batches. A single variety from a single region is a claim that can be checked — and one that has to hold up every harvest.

Color tells you nothing

Green does not mean fresh and gold does not mean old; color depends on variety and harvest timing. Professional tasters use blue glasses precisely so color cannot bias them. Judge by aroma, by the peppery finish, and by the paperwork.

Ask whether you can see the analysis

The strongest signal of all: can you read the lab report for the specific batch you are buying, before you buy it, and verify it afterwards from the LOT number? If yes, most of the other questions answer themselves.

Great oil is not a secret. It is a harvest date, a named place, a peppery finish, and a producer willing to show you the numbers.

A good place to start

Single estate, single varietal, harvest date on the label and a published analysis per batch.

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Memilon Crete high phenolic Greek extra virgin olive oil, 33.8 fl oz Koroneiki tin
Crete · Koroneiki

Crete High Phenolic Olive Oil

Single origin 100% Koroneiki from Phaistos, Crete. Cold extracted below 27°C (80°F) — bold, peppery, high in polyphenols.

From $22.90 1 / 3 / 5 L tins
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Memilon BIO Crete certified organic Greek extra virgin olive oil, 33.8 fl oz glass bottle
BIO Crete · Organic

BIO Crete Organic Olive Oil

Certified organic early harvest Koroneiki at 0.20% acidity, high phenolic. Grown without pesticides.

$22.90 1 L / 33.8 fl oz glass
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Memilon Lesvos rare Kolovi Greek extra virgin olive oil, 33.8 fl oz tin
Lesvos · Kolovi

Lesvos Rare Kolovi Olive Oil

The rare Kolovi variety from Plomari, Lesvos. Cold extracted below 27°C (80°F) — elegant, balanced, delicately fragrant.

From $16.90 1 / 3 / 5 L tins
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Harvest Notes

Family & Tradition. Honesty. Just Memilon.

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