Chargrilled mackerel with sweet & sour beetroot

Ingredients

• 4 Fishbox mackerel fillets
• 3 tsp finely chopped chives
• 1 shallot finely chopped
• 2 tsp sesame seeds
• 20g ginger (pickled) finely sliced
• Olive Oil
• Soy Sauce
• Sweet & Sour Beetroot: 4 cooked beetroots (not pickled)
• Bay leaf
• 100 ml Red wine vinegar
• Clear honey
• Tbsp black peppercorns
• Dressing: 3 tsp wasabi
• 100g creme fraiche