4.) Nothing can be added to bourbon in the distilling process except water.

So, that means that all the flavor comes from the charred oak barrels (the picture below shows the charring process at Brown-Forman). And, that’s why when Wild Turkey wanted to add honey to their bourbon, it became Wild Turkey Liqueur and was later renamed American Honey.

Jack Daniels? It’s largely identical to bourbon except for one key difference: It’s filtered through maple charcoal. That’s why they call it a Tennessee whiskey not a bourbon.