Any drink ordered as a “double” means you want two “shots” (measures) of the liquor. And yes, the amount of Coke is a variable, so it may taste “stronger” or “weaker” depending on how much Coke is added.
Jack Daniel’s Double Jack delivers the quintessential taste of Tennessee by expertly mixing a double shot of classic Old No.7 with just the right amount of cola for a smooth, bolder pre-mix.