date:Sep 10, 2013
and toast them. The insides of bourbon barrels are charred. Spirits from various combinations of rye, corn, wheat, malted barley and more recent additions to the whiskey repertoire oat and millet are added to the barrels. Then additional factors of temperature, humidity and air pressure come into play, affecting how deeply the spirits seep into the wood and interact with its sugars, tannins and other compounds that infuse flavors of vanilla, caramel and others. Lastly, how long a spirit ages