Charcoal Battered Halibut - James Martin Chef

Ingredients

• 4x 200g Halibut fillets, skinned
• 150g gluten free flour
• 25g charcoal powder
• 1 tsp lime juice
• 400ml Sparkling water to combine
• 1 red chilli, deseeded and finely chopped
• 1 small bunch coriander, finely chopped
• Salt
• Pepper
• 75g seasoned gluten free flour
• 3 eggs yolk
• 1 tsp Dijon mustard
• 1 tbsp white wine vinegar
• 1 lemon zest and juice
• 400ml veg oil
• Half shallot, finely chopped
• 1 small bunch mint, finely chopped
• 1 small bunch parsley, finely chopped
• 1 small bunch chives, finely chopped
• 25g gerkins, finely chopped
• 2 tbsp baby capers
• 4 Maris piper potato, peeled
• 1 red chilli, finely shopped
• Lime edge