Create a celebration in contradictions: a bittersweet combination of Champagne and Blood Orange Bitters.

1/2 part Stirrings Blood Orange Bitters
5 parts Champagne or sparkling wine
1 sugar cube
Garnish: lemon twist
 

In a Champagne flute, soak a sugar cube in Blood Orange Bitters, then fill flute with chilled Champagne. Garnish with a lemon twist.