Elderflower Highball is a refreshing and slightly sweet cocktail made with Dewar's Blended Scotch Whisky 15 Year Old, St Germain Elderflower Liqueur, and Soda and is perfect for any occasion. The Dewar's Blended Scotch Whisky 15 Year Old provides a smooth and rich flavor, while the St Germain Elderflower Liqueur adds a delicate sweetness. The soda helps to balance out the flavors and makes this drink incredibly easy to sip on. It is believed that the history of the Elderflower Highball dates back to the early 1900s when it was created by Scottish bartenders. It has since become a popular choice for those looking for a classic cocktail with a modern twist.