KNOB CREEK BOURBON QUARTER OAKKnob Creek Bourbon Quarter Oak is a limited series blend that combines expertly aged 4 year old standard Knob Creek bourbon with a small amount of originally aged bourbon, all crafted with a special quarter oak barrel finishing process. This 2019 release features a mash bill of 77% corn, 13% rye, and 10% malted barley, and has a finished barrel strength of 100 proof. The aroma reveals notes of rich honey, cut oak, vanilla bean, and aged leather, with