Put the celery and shallots in a bowl, add the parsley and the seasoning and mix well.
Arrange the paper circles over the work surface. Place a spoonful of the vegetable mixture in the middle of each paper and top with a salmon fillet and a wedge of lemon. Close up each parcel, securing the contents by twisting the paper above the fish like an old-fashioned purse. Place on a baking tray and