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Choose extra virgin olive oil with a harvest year, a clear origin and a dark bottle or tin. Bitterness is fine; rancid or musty notes aren't. Price says little.
"Virgin", "extra virgin", "cold pressed" – there are lots of terms on the shelf. What matters is the grade, origin, packaging, freshness, and how the oil smells and tastes once it's open.
"Extra virgin" isn't a marketing phrase. It's a legally defined category with chemical and sensory criteria, such as low free fatty acids and no flavour defects. More on how fats compare: Omega-3 vs omega-6: which oils and fats to choose.
The best olive oil isn't the most expensive one. It's one that suits how you use it and openly shows its quality. A good extra virgin olive oil:
An aromatic oil is especially worth it for salads, dips and drizzling at the end. You'll find ideas in our Mediterranean recipes.
Good labels tell you where the olives come from – not just where the oil was bottled:
Watch out for vague wording
The phrase "blend of olive oils of European Union origin" tells you very little: you don't find out which country the olives actually come from.
More in the article How to spot really good olive oil.
| Label | Meaning | What it tells you |
|---|---|---|
| DOP / PDO | Protected Designation of Origin | Highly traceable, produced in a defined region |
| IGP / PGI | Protected Geographical Indication | Origin partly tied to the region |
| Organic | Grown to organic standards | About how it's farmed, not automatically about top sensory quality |
Labels tell you something about origin, but they don't replace checking freshness, packaging and taste.
Neither. "Cold pressed" is the traditional term; today oil is mostly "cold extracted" in a centrifuge. Legally, both mean the same thing: the temperature stays below 27°C during extraction.
Olive oil consists mostly of monounsaturated fatty acids, mainly oleic acid. On top of that come other compounds such as polyphenols and vitamin E.
Polyphenols give olive oil its bitter, peppery, throat-catching finish. Oils from green, early-harvested olives usually taste more bitter and peppery and contain more of these compounds; oils from ripe olives are milder. Both can be good quality.
Other natural sources of fat: avocado, walnuts and coconut oil.
The harvest year tells you more than the best-before date. Olive oil doesn't improve with storage: over time the aromas fade and oxidation changes the flavour. Go for the latest harvest, and for smaller bottles rather than big bulk containers.
Light, heat and oxygen damage olive oil. Dark glass bottles or tin or stainless-steel cans are best, in a size you'll get through quickly. Clear bottles and soft plastic protect less well against light.
Smell and taste it after opening:
| Impression | What it may mean |
|---|---|
| smells like old walnuts or cardboard | oxidised, past its best |
| musty and damp | poor storage or processing |
| vinegary or sour | fermentation defect |
| completely flat and neutral | often little fresh aroma, or heavily standardised mass-market oil |
Good oil may smell green, grassy, tomato-like, almondy or herby. Bitterness and a slight catch in the throat are normal, especially in oils from early-harvested olives.
Harvesting, fast processing, bottling and testing cost money. Very cheap "extra virgin" is a reason to look more closely. As a rough rule of thumb of our own – not an official threshold, and prices swing a lot with the harvest:
Price alone says little. What counts is the combination of origin, freshness, taste and packaging.
| Use | Suitable oil |
|---|---|
| Salad, dip, drizzling | aromatic extra virgin olive oil |
| Gently cooking veg | extra virgin olive oil |
| Roast veg | extra virgin olive oil |
| Very high-heat searing | ghee rather than olive oil |
Olive oil goes well with garlic, turmeric or ginger, for example in our recipes with omega-3 & veg.
"Superior category olive oil", on the other hand, isn't advertising: for extra virgin olive oil the EU requires this wording, together with a note that the oil was obtained directly from olives and solely by mechanical means.
Typical mistakes: leaving the big bottle open next to the hob for months, assuming a mild oil must be adulterated, and using expensive salad oil for very high-heat searing.
An extra virgin olive oil with a harvest year, a specific origin for the olives and dark packaging. A PDO or PGI label also helps with origin.
Mainly by smell and taste: rancid, musty or vinegary notes should never be present in extra virgin olive oil. A mild flavour, on the other hand, isn't a warning sign – oils from ripe olives are naturally milder.
No. Bitterness and a peppery finish are normal in extra virgin olive oil, especially in oils from early-harvested olives.
For gentle cooking, roast veg and normal frying, yes. For very high-heat searing, ghee is the better choice.
Not automatically. Organic refers to how it's farmed. Freshness, origin, processing and packaging matter just as much.