1 cup St Germain liqueur
1/2 cup superfine sugar
3/4 cup green grapes halved
2 tangerines thinly sliced
1/2 small ruby red grapefruit quartered & thinly sliced
2 bottles prosecco very cold
Combine St Germain liqueur & superfine sugar, stirring until sugar is dissolved. Stir in fruits and chill at least one hour.
To serve, spoon some fruit & liquid into each glass & fill glass with cold prosecco.