The Still Spirits Top Shelf Bourbon Spirit Essence (50ml) is perfect for making a dry style Bourbon with a full flavour, typical of well-aged sour mash whiskeys. To use, simply add this beverage flavouring essence to 2.25 Liters of 40% ABV distilled spirit or vodka, and shake well before use. This essence makes three 750ml (26fl oz) bottles, ensuring that you have plenty to enjoy.