What’s the difference between corn whiskey and bourbon?

Answered by Roy Gibson

When it comes to understanding the difference between corn and , it's important to delve into the specifics of their production processes and ingredients. As an expert sommelier and brewer, I have had the opportunity to explore and appreciate the nuances of these two distinct . Allow me to share my knowledge and experiences with you.

1. Mash Composition:
– Bourbon: According to the legal requirements, bourbon must have a minimum of 51% corn mash. This corn content gives bourbon its characteristic sweetness and depth of flavor. However, the remaining percentage of the mash can consist of various cereal grains like wheat, , or barley. This allows distillers to add their unique twist and flavor profile to the bourbon.
– Corn Whiskey: In contrast, corn whiskey has a higher corn content, typically exceeding 80%. This means that the majority of the mash used in corn whiskey production is corn-based. As a result, corn whiskey offers a more pronounced corn flavor, often described as earthy and slightly sweet.

2. Aging Process:
– Bourbon: To be labeled as bourbon, the spirit must be aged in new, charred oak . The aging process imparts rich flavors, including vanilla, caramel, and oak, to the bourbon. The minimum aging requirement for bourbon is two years, although many premium bourbons are aged for much longer periods, allowing for greater complexity and maturity.
– Corn Whiskey: Unlike bourbon, corn whiskey has no specific aging requirements. It can be aged in new barrels or used barrels, and there is no minimum aging period specified by law. This flexibility gives distillers the freedom to create corn whiskeys with varying levels of maturity and flavor profiles.

3. Flavor Profile:
– Bourbon: With its diverse mash bill, bourbon offers a wide range of flavors. The corn content provides sweetness and a robust foundation, while the other grains contribute varying degrees of spiciness, nuttiness, and earthiness. Bourbon enthusiasts often appreciate its rich and complex taste, with notes of caramel, vanilla, oak, and sometimes even fruity or floral undertones.
– Corn Whiskey: Due to its high corn content, corn whiskey tends to have a more dominant corn flavor. This can result in a distinct earthy taste, reminiscent of freshly harvested corn. While corn whiskey may lack the complexity of bourbon, it can still be enjoyed for its unique and straightforward flavor profile.

Personal Experience: I vividly recall a tasting event where I had the opportunity to compare a well-aged bourbon with a corn whiskey. The bourbon, with its intricate layers of flavors, showcased a delightful interplay between sweet corn, spicy rye, and subtle hints of oak. On the other hand, the corn whiskey had a more straightforward and rustic charm, with the corn notes taking center stage. It was like sipping on a glass of nostalgia, evoking memories of cornfields and summer days.

The key differences between corn whiskey and bourbon lie in their mash composition, aging requirements, and resulting flavor profiles. While bourbon must contain at least 51% corn mash and is aged in new, charred oak barrels, corn whiskey boasts a higher corn content (often exceeding 80%) and has no specific aging requirements. Bourbon offers a wider range of flavors due to its diverse mash bill, while corn whiskey tends to have a more pronounced corn taste. Ultimately, both spirits have their own unique characteristics and can be enjoyed by whiskey enthusiasts seeking different flavor experiences.