Dish × condiment pairing
Which olive oil for pesto?
Season : spring, summer · Occasion : weeknight, dinner party
A Tuscan IGP extra virgin, but not all of it. Blend with a milder oil. Tuscan oil from Frantoio and Moraiolo olives runs raw-artichoke and almond with a real pepper kick. Used neat it can bruise the basil's sweetness, so cut it with a gentler oil for the body.
In detail
The best olive oil for basil pesto is a Tuscan extra virgin IGP, blended with a milder oil rather than used neat. Tuscan oil pressed from Frantoio, Moraiolo and Leccino olives carries raw artichoke, fresh almond and a peppery back-of-throat kick from its polyphenols, which gives pesto the structure to stand up to garlic and Parmesan. Used as the whole oil, that noble bitterness can bury the basil's sweetness, so use it for about half and a gentle oil for the rest. Pesto is raw, so the oil never sees heat: blend it cold with basil, pine nuts, garlic and cheese. A 500ml bottle of real Tuscan IGP runs around $33. A greener Cretan Sitia PDO oil is the milder alternative if you want freshness over Tuscan punch.
Our recommendation
Oil · Olive oil
Tuscan Extra Virgin Olive Oil IGP
Tuscany (Chianti, Lucca, Siena, Florence), Italy (IGP)
raw artichoke · fresh almond · wild herbs
Tuscan IGP oil brings raw-artichoke bitterness and a back-of-throat pepper from its Frantoio and Moraiolo olives, which is structure pesto needs to stand up to garlic and Parmesan. The trick is restraint: too much and the noble bitterness fights the basil. Use it for half the oil, a mild oil for the rest, and it makes the sauce sing.
Intensity 8/10
Where to buy it
Prices checked on
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|---|---|---|
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| Sous Chef UK | — | Sous Chef UK |
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The catch
Don't drown pesto in a single bruising Tuscan oil. Used neat, the raw-artichoke bitterness and pepper kick from Frantoio olives fight the basil's sweetness, and you taste oil, not herb. Use the Tuscan for about half the oil and a gentle one for the rest. You want the structure underneath the basil, not on top of it shouting.
Chef's note
Blend the oil in two stages. Make the basil paste with the milder oil first so the leaves stay sweet, then stream the Tuscan IGP in last, off the blade, just enough to feel the pepper at the back of the throat. Taste as you go. Keep it cold the whole time: a warm blender bruises basil to bitterness in seconds.
Tasting note
raw artichoke · fresh almond · peppery throat-catch · around $33 for a 500ml bottle of real Tuscan IGP. Splurge, but it lasts: you only need half of it here.
These three sections appear on every one of our pairing pages — our methodology.
Alternatives to explore
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Oil · Olive oil
Cretan Extra Virgin Olive Oil PDO
Sitia, Lassithi, eastern Crete, Greece (PDO)
Intensity 7/10
A Sitia PDO Koroneiki oil is greener and grassier with a softer pepper, so it folds into basil more quietly. The choice if you want freshness over Tuscan punch.
Frequently asked questions
- Should I use a strong olive oil in pesto?
- Use a strong Tuscan oil for part of the oil, not all of it. Its raw-artichoke pepper gives the sauce structure, but used neat the noble bitterness can bury the basil. Blend it with a milder oil for balance.
- Do you cook the olive oil in pesto?
- No. Pesto is raw, which is exactly why the oil matters. Heat wastes the polyphenols and aroma you paid for, so the oil goes in cold, blended with the basil, garlic, nuts and cheese.
- How much olive oil goes in pesto?
- Enough to loosen the paste into a spoonable sauce, roughly half a cup for a big bunch of basil. Add it slowly at the end so you can stop at the texture you want.
This pairing was validated according to our methodology. Purchase links are marked sponsored and may earn a commission — details on our Affiliations page.