Dish Of The Month
• 1 large cooked red beetroot, diced• Small bunch chives, finely chopped• ½ lemon• 1 tbsp crème fraîche• 1 tbsp horseradish sauce• 2 tbsp mayonnaise• Drizzle of rapeseed oil• 4 mackerel fillets• 2 brioche burger buns• A large handful of rocket• Salt