A tropical cocktail of Vodka.
I tried to use Sherry to play a supporting role. Though
"Roulette" has some bitterness, it probably derives from the
flavor of grapefruit.
I think it may be good to add gum syrup according to your
I used Amontillado (one type of Sherry) this time. When you
use other Sherry ( Oloroso, Fino and so on), you might find
other new taste. I used Absolut Vodka as usual.