For a quick, fresh dinner this fish dish, starring asparagus, mushrooms and peas, is a total winner Making the parcels takes a little concentration, but it really helps give the dish great flavour Credit : Haarala Hamilton and Valerie Berry Diana Henry The Telegraph's award-winning cookery writer Diana Henry is the Telegraph’s much-loved cookery writer. She shares recipes each week, for everything from speedy family dinners to special menus that friends will remember for months. She is also a regular broadcaster on BBC Radio 4, and her journalism and recipe books, including Simple and How to Eat a Peach, are multi-award-winning. A mother of two sons, Diana can satisfy even the fussiest of eaters.    See more Published 10 April 2026 2:17pm BST It seems like a faff when you first cook something en papillote  (in which food is enclosed in a paper parcel) – cutting the paper to the right size, folding it properly – but it becomes easy with practice.…