BBC Food - Recipes - Crab and cod fishcakes with tomato salsa

Ingredients

• 500g/1lb 2oz floury potatoes , peeled and diced
• 500g/1lb 2oz cod loin, skinned
• 6 spring onions , finely chopped
• 2 tbsp full-fat mayonnaise
• 2 tsp Dijon mustard
• 130g/4¾oz dressed crab or 100g/3½oz mixed fresh crab meat
• 2 tbsp chopped fresh parsley
• dash of hot pepper sauce, such as Tabasco
• 100g/3½oz Japanese panko breadcrumbs
• knob of butter , plus extra for greasing
• 1 tbsp oil
• salt
• freshly ground black pepper
• 6 firm tomatoes , deseeded, diced
• 1 small red onion , finely chopped
• 1 tbsp white wine vinegar
• 4 tbsp olive oil