Peach cake with vanilla and rosemary syrup

Ingredients

• Peach cake
• 2 eggs
• 1/2 cup caster sugar
• 1 vanilla bean, split in half lengthways
• 1/4 cup milk
• 60 gram butter, melted
• 1 cup plain flour
• 2 tablespoon cornflour
• 2 teaspoon baking powder
• 3 peaches, peeled and sliced
• whipped cream, to serve
• Rosemary syrup
• 1 cup sugar
• 1 cup cold water
• 15 centimetre sprig fresh rosemary
• 1/2 vanilla bean, split in half lengthways