Fish pies with smoked salmon, prawns & dill - Good Food Middle East

Ingredients

• 1 litre milk
• 65g butter
• 65g plain flour
• bunch spring onions, green and whites separated and both very finely chopped
• 3 egg yolks (save the whites for the meringues - see 'Goes well with', below)
• 3 tbsp dill, chopped
• 120g pack smoked salmon trimmings (I used the budget range)
• 2 x 400g packs frozen basa or pollack fillets, thawed, patted dry, cut into chunks
• 190g pack cooked, peeled prawns, thawed if frozen and patted dry
• 2¼kg potatoes, peeled, cut into chunks
• 50g butter
• 100ml milk