Homemade fish-fingers are worth the effort here for a sumptuous and stacked sandwich Boost your lunchtime sandwich with this bumper filling Credit : Haarala Hamilton 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 28 May 2026 2:21pm BST You need thick pieces of haddock or cod fillet for this so that you can get fish-finger-shaped chunks – the tail end is no good. A really good bloomer, or flavoursome soft white bread, is best.…