Krachel with Nutella® and Blueberry

Ingredients

• flour
• teaspoon salt
• A pinch of Arabic mastika
• tablespoon aniseed
• tablespoons toasted sesame seeds
• tablespoons orange blossom water
• large egg
• sachets of dry baker's yeast
• warm low-fat milk
• softened butter
• egg for a golden finish
• sesame seeds
• Nutella®, for the filling
• blueberries