By law, bourbon must be aged in a new charred oak barrel—but there are variables and considerations that affect the final flavor outcome. These are the mechanics of barrel-aging: how it works, why it matters, and what terms like “angels’ share,” “toast,” and “char” mean.
Follow the steps, from digging and drying to mashing and maturation, that create smoky flavors in single malt scotch.
The country’s geographical indications (GIs) for whisky cover the regions of Brittany and Alsace, but the rules vary.
For videos with closed captions, please see the Whisky Advocate video page on YouTube.