Old Cuban (eng.)

6 /8 Mint leaves
 4,5 cl (1 1/2 oz) Aged Rum
 2,25cl (3/4 oz) Fresh lime juice
 3 cl (1 oz) Simple syrup
 2 Dashes Angostura bitters
 6 cl (2 oz) Brut Champagne or Prosecco

Shake the ingredients with ice and fine strain into a chilled elegant cocktail.  Top with the wine and Garnish with mint springs.

The book recommended:

How to taste cocktail and spirits like a pro. IBA official cocktail