Grapefruit and Ginger Sparkler

1 ounce fresh squeezed grapefruit juice
1/2 ounce Domaine de Canton ginger liqueur (homemade ginger liqueur)
3 to 4 ounces Prosecco or other sparkling wine
Grapefruit wedge to garnish

Pour the grapefruit juice and Domain de Canton ginger liqueur in a champagne glass. Gently pour the prosecco over top until glass is nearly full. Garnish with a grapefruit wedge.