Rosewater Pavlova

Serves 2–3

• 500g (31⁄2 cups) blackberries 250g (1 cup) brown sugar
  7 sprigs of thyme
  500ml (2 cups + 2 tbsp) water 50ml (1/4 cup) rosewater
• 7 sprigs of thyme
• 500ml (2 cups + 2 tbsp) water 50ml (1/4 cup) rosewater
• 210g egg whites (about 6 medium eggs)
• 240g (2 heaped cups) powdered sugar
• 15ml (1 tbsp) white wine vinegar
• 200ml (almost 1 cup) whipping cream
• 200g (11/5 cup) fresh blackberries for decoration