Salmon Burgers

Ingredients

• 800g salmon, cut into bite-sized chunks
• 1 tbsp mustard
• 1 tbsp horseradish sauce
• 2 anchovies
• zest of 1 unwaxed lemon
• handful of breadcrumbs
• 2 tbsp chopped spring onion
• 1 tsp capers
• 1 tsp wasabi powder
• 1 tsp chilli flakes or
• 1 small green chilli, sliced
• salt and freshly ground black pepper
• oil, for greasing
• 500ml Greek yoghurt
• 1 bunch of dill, finely chopped
• 1 bunch of chives, finely chopped
• 1⁄2 cucumber, deseeded and shredded
• pita breads
• pickled radish, fennel and cucumber