Poach the fish fillets in the milk for about 15
minutes until the fish flakes. Drain the fillets and
reserve the milk.
Peel the skin off the fish and remove any bones.
Process the fish, potatoes, fennel, garlic, eggs and
butter in a food processor fitted with a metal
blade.
Add 30ml/2 tbsp of the reserved cooking milk and
season to taste with salt and pepper.
Chill in the fridge for about 30 minutes, then shape
into 20 croquettes with your hands.
Mix together the breadcrumbs and sesame seeds.
Roll the croquettes in the mixture to form a good
coating. Heat the oil in a large heavy-based
saucepan and deep-fry in batches for about 4 minutes
until golden brown. Drain well on kitchen paper and
serve hot.