Dark Sparklers

Directions

1. 1
   In a medium saucepan, combine all of the ingredients except the sparkling wine with 2 cups of water and bring to a boil.
2. 2
   Simmer over moderately low heat until the plums are very soft and the syrup is deep purple, about 20 minutes.
3. 3
   Strain the syrup through a fine sieve set over a bowl, pressing on the solids.
4. 4
   You should have 2 cups.
5. 5
   Let the syrup cool completely, then refrigerate until chilled.
6. 6
   For each cocktail, pour 1 ounce of syrup into a flute and top with sparkling wine.