As a sommelier and brewer, I've had the opportunity to experiment with various whiskey and soda combinations. When it comes to mixing whiskey with soda, there are a few options that work particularly well.
One classic choice is ginger ale or ginger beer. The natural spice notes found in whiskey complement the sweet and spicy flavors of ginger ale or ginger beer. The slight heat from the ginger adds a pleasant kick to the drink. Personally, I find that this combination works best with whiskeys that have a bit of char or smokiness, such as bourbon or Tennessee whiskey. The famous Jack and Coke cocktail is a prime example of how well these flavors can harmonize.
Cola, on the other hand, can be a bit trickier to mix with whiskey. However, some whiskey styles can still work well with cola. Again, I tend to prefer bourbons or Tennessee whiskeys with cola because the charred notes in these whiskeys can stand up to the sweetness and carbonation of cola. It's important to note that the flavors of the whiskey may get somewhat masked by the cola, so it's best to use a whiskey that you don't mind blending with other flavors.
In terms of personal experiences, I've found that experimenting with different ratios of whiskey to soda can greatly impact the overall taste. Some people prefer a stronger whiskey flavor, while others enjoy a more balanced mix. It's all about finding what suits your palate.
To summarize, ginger ale or ginger beer is a fantastic choice for mixing with whiskey, particularly bourbons or Tennessee whiskeys. The natural spice notes in whiskey pair wonderfully with the sweet and spicy flavors of ginger. Cola can also work with certain whiskey styles, such as bourbons, but the whiskey flavors may be somewhat masked by the sweetness of the cola. Ultimately, the best combination will depend on your personal preferences, so don't be afraid to experiment and find your own perfect whiskey-soda mix.