What is an oaky wine?

That warm, toasty, vanilla-scented quality in many wines? That's oak. When wine ages in oak barrels, it absorbs flavour compounds from the wood, and the barrel also allows tiny amounts of oxygen to interact with the wine, softening tannins and adding complexity.

Not all oak is created equal. French oak (mainly from forests like Tronçais and Allier) is considered the gold standard — it's subtle, adding elegant vanilla and spice without overwhelming the wine. American oak is bolder, delivering more obvious coconut and vanilla notes (think Rioja or Australian Shiraz). Hungarian oak falls somewhere in between.

The 'toast' level of the barrel matters enormously. Coopers (barrel makers) heat the inside of each barrel over an open fire. Light toast gives gentle woody and vanilla notes. Medium toast brings out bread, spice, and caramel. Heavy toast creates smoky, dark chocolate, and espresso-like flavours.

New barrels have the strongest impact. A brand-new French oak barrel (costing around 800-1,000 euros) imparts maximum flavour. By its second and third use, the wood's contribution diminishes significantly. Top Bordeaux estates often use 60-100% new oak; budget-conscious producers might use mostly older barrels or oak alternatives like staves and chips.

The wine world has gone back and forth on oak. In the 1990s and early 2000s, heavily oaked wines dominated — big, buttery, vanilla-bomb Chardonnays and Cabernets. Today's trend favours restraint: the best oaked wines integrate the wood so seamlessly that you don't think 'oak' — you just think 'delicious.' The oak should frame the wine, like a picture frame that complements without distracting.

If you want to learn what oak tastes like, try this experiment: taste an unoaked Chablis next to an oaked Meursault. Both are 100% Chardonnay, both from Burgundy, but the difference is dramatic.