How to Choose a Good Extra Virgin Olive Oil

By Why Olive Oil Deserves a Place in Healthy Diets
Comments 35
11 Sep 2026

How to Choose a Good Extra Virgin Olive Oil

Start With the Bottle, Not the Price Tag

Walk down any supermarket oil aisle and you will see the same words repeated: extra virgin, cold pressed, premium. None of these are regulated marketing fluff exactly, but none of them tell you how fresh the oil inside actually is. That is the single most useful thing to know before you buy, because extra virgin olive oil is not a pantry staple that improves with age. It is closer to fresh juice. It fades, it goes flat, and it eventually turns slightly rancid. A £5 bottle harvested eight months ago will taste better than a £20 bottle sitting on a shelf for three years.

The good news is that everything you need is either printed on the label or available on your tongue. Once you know what to look for, choosing well becomes quick and rather enjoyable.

Reading the Label Properly

Turn the bottle over and look for the fine print. The front of the label is designed to sell; the back is where the facts live. There are four things worth hunting for.

Harvest date, not just best before. A best-before date of 2027 tells you almost nothing. A harvest date of November 2024 tells you exactly where you stand. Aim to buy within 12 to 18 months of harvest, and ideally sooner.
A specific origin. "Produced in the EU" or "bottled in Italy" can mean the oil was blended from several countries. A single region, estate or grove — even a named county — usually indicates more care and traceability.
Extraction method. Look for cold extracted or first cold pressed. Heat increases yield but drives off the delicate aromatics and some of the polyphenols that make good oil taste alive.
Acidity level. Extra virgin must be below 0.8% free acidity. Good producers often print a figure like 0.2% or 0.3%, which is a reasonable sign of freshness and careful handling.

PDO and PGI logos are also worth knowing. They guarantee the oil comes from a defined geographical area and was made to set standards, which is a useful shortcut when you are standing in a shop and want to decide quickly.

Why Freshness Beats Fancy Packaging

Olive oil does not like light, heat or air. That is why the best oils tend to arrive in dark glass, tinted bottles or tins rather than clear glass, and why the bottle on a sunny windowsill in a shop is already losing its character.

Once you get it home, treat it as you would fresh herbs. Keep it in a cool, dark cupboard away from the oven, somewhere around 14 to 18°C. Decanting into a small bottle you refill often is kinder than opening a large one every day, because each opening lets in oxygen. If you buy in bulk — and for everyday cooking, a three-litre tin is excellent value — keep the tin in the cupboard and fill a smaller bottle for the worktop.

The Peppery Catch That Tells You It Is Good

Here is the test that separates a genuinely good oil from a merely acceptable one. Pour a small spoonful into a glass, warm it in your hands, smell it, then sip it neat.

You are looking for three things: a fresh, grassy or green aroma, a bitterness on the tongue, and a peppery catch at the back of your throat that may make you cough slightly. That cough is not a fault. It is a sign of polyphenols and other antioxidants, the compounds that give good oil its bite and its health benefits. Oil that tastes of nothing much, or faintly of candle wax, is oil that has lost its way.

Bitterness and pungency vary by variety and ripeness. Early-harvest oils from unripe olives are greener, more bitter and more peppery. Later-harvest oils are softer, rounder and more buttery. Neither is better; they simply suit different jobs.

Supermarket or Specialist?

Both have a place, and it is worth being honest about what each does well.

Supermarkets are convenient and increasingly stock single-origin oils with harvest dates. Look on the top and bottom shelves rather than eye level, where the pricier and more interesting bottles often sit.
Farm shops, delis and markets let you taste before buying. Ask when it was harvested. If the person behind the counter does not know, that tells you something too.
Direct from small producers — including UK growers and blenders, and Mediterranean estates that ship — often gives the freshest oil at a fair price, especially if you buy a case with friends.

Keep two oils if you can: a robust, peppery one for finishing, and a milder one for cooking. The finishing oil is where the money is best spent.

Bringing It Together in the Kitchen and Garden

Good oil rewards simple cooking. Drizzle it over tomatoes still warm from the greenhouse, over grilled courgette, over a bowl of white beans with a squeeze of lemon. It is also the backbone of a herb oil you can make yourself, which is where a little kitchen gardening earns its keep.

Rosemary, thyme, oregano and sage all thrive in pots on a sunny UK windowsill or balcony, and they cope with our grey summers far better than basil. Strip a handful of leaves, bruise them gently, and cover with a mild extra virgin oil in a clean jar. Leave it somewhere cool and dark for a week, strain, and decant into a small dark bottle. Use it within a month or two.

Buy less, buy fresher, and taste before you commit. That single habit will improve your cooking more than any gadget or glossy label ever will.

Olive Oil

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Focus on vegetables, pulses, fish, olive oil and shared meals while adapting familiar British ingredients to warmer, lighter dishes.

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5 Comments

Robert Sonny says Jul 21, 2024 at 10:00am

I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
Reply
- John Abraham says Jul 21, 2024 at 10:00am
  
  I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
  Reply
  - Robert Sonnysays Jul 21, 2024 at 10:00am
    
    I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
    Reply
Robert Sonny says Jul 21, 2024 at 10:00am

I must explain to you how all this mistaken idea of denouncing pleasure and praising pain was born and I will give you a complete account of the system
Reply

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