Smoked haddock fish cakes recipe on Second Nature

Name: Smoked haddock fish cakes recipe on Second Nature
Cuisine: British, European
Ingredients: potatoes, peeled and quartered; boneless smoked haddock fillets; 200ml; milk or dairy free alternative; butter; lemon, zested and halved; egg yolk; chopped chives; wholegrain mustard; 80g; peas, defrosted; flour; 3-4 tbsp; extra virgin olive oil; 100ml; plain yoghurt; mustard; fresh mint, finely sliced