Next level salmon en croûte - Good Food Middle East

Ingredients

• 50g flaky sea salt
• 25g demerara sugar
• 2 x 500g skinless, boneless salmon fillets
• 75g watercress, chopped
• 200g cream cheese
• 2 tbsp fresh dill sprigs, chopped
• 1 lemon, zested and juiced
• pinch smoked salt (optional)
• 500g block all-butter puff pastry
• flour, for dusting
• 2 eggs, yolks only, beaten
• 1 cucumber, peeled, halved, deseeded and sliced
• 1 red onion, finely sliced
• 100ml cider vinegar
• 1 tbsp sugar