Which being characteristic is associated with Amontillado sherries?

Amontillado sherries are known for their distinctive rich, nutty flavor profile, which is a result of the unique winemaking process that combines both biological and oxidative aging. Initially, Amontillado is similar to Fino sherry, aged under flor yeast, which contributes to its light and delicate nature. However, it undergoes further aging without flor, allowing it to expose the wine to oxygen. This oxidative aging process enhances its complexity and imparts deeper flavors, often described as nuts, toasted almonds, and hints of caramel and dried fruits.

The characteristic nutty flavor is a hallmark of Amontillado, setting it apart from other types of sherry that may have different flavor profiles. The balance of this nuttiness with a certain depth and complexity contributes to Amontillado's appeal among sherry lovers.