That’s because the mash bill in the blend is 85 p.c unmalted and 15 p.c malted barley, comparable to a pot however whiskey. 1 main difference is that this five-year-aged expression is column distilled, and the result is a beautiful new whisky with vanilla, caramel, citrus, and baked apple notes to the palate.Mark Sagliocco/Getty Pictures Four Ros