Amburana casks are challenging to work with, as they impart strong cinnamon, nutmeg, clove, and vanilla spice notes. True blending expertise is required to enhance the bourbon with Amburana and maintain balance. The Barrell Craft Spirits blending team created a bourbon blend of two mash bills with different char levels finished in Amburana casks. A vatting of individual casks without finishing was layered in to add depth, richness and complexity, ensuring the bourbon shines through first and foremost.​