Yoghurt panna cotta with blueberry sauce

Ingredients

• 1 vanilla bean, halved lengthways
• 1 1/2 cup (375ml) thickened cream
• 1 1/2 cup (110g) caster sugar
• 3 teaspoon powdered gelatine (or 2x5g leaves gelatine)
• 2 tablespoon water
• 2 cup (560g) natural yoghurt
• Blueberry sauce
• 1 cup (220g) caster sugar
• 1/2 cup (125ml) water
• 1 vanilla bean
• 1/4 cup (60ml) sparkling or white wine
• 1 cinnamon stick
• 1 star anise
• 375 gram blueberries
• 1 tablespoon lemon juice