4 fresh passion fruit aproximately 60ml /2 fl oz of juice 100 ml 3 ½ fl oz Vodka or Vanilla vodka 2 tbsp Passoa liqueur (passionfruit liqueur) 1 tbsp lime juice or more to taste 1 tsp sugar syrup (optional – adjust to taste) Drop of vanilla extract (leave out if using Vanilla vodka) chilled Champagne or Prosecco to serve on the side 1 fresh passion fruit , sliced or halved to garnish