North Shields Fish Pie Serves: 4 Ingredients 250g cod fillet cut into 25g pieces 200g salmon fillet cut into 25g pieces 200g smoked haddock, diced 4 large scallops, halved 20 cooked mussels 4 langoustine tails 20g shrimps 2 tbsp chives, chopped [b]For the white sauce:[/b] 45g unsalted butter 55g plain flour 700ml milk 1 bay leaf