What vessels are Tawny-style ports typically aged in?

Tawny-style ports are typically aged in smaller, old oak barrels. This aging process in smaller barrels allows for greater interaction between the wine and the wood. The increased surface area of the barrel facilitates oxidation and evaporation, which helps to develop the characteristic flavors and aromas associated with Tawny ports, such as nuts, caramel, and dried fruit.

Additionally, using older barrels means that the wine extracts less tannin and oak flavor, allowing the natural characteristics of the grapes and the effects of oxidation to shine through. This method is crucial for creating the complexity and depth of flavor that Tawny ports are known for.

In contrast, large oak casks, although they can be used for aging some types of wine, do not provide the same level of oxygen exposure and flavor development as smaller barrels. Stainless steel tanks are typically used for the fermentation or storage of wines that benefit from a fresh, fruity character, not for aging styles like Tawny ports. Glass bottles may be used for the final packaging of the wine but do not contribute to the aging process prior to bottling.