From Poirot’s moustache to signed pages from the script of Star Wars: Rogue One , an upcoming auction at the Fastnet Film Festival is a potential treasure trove for film buffs.

Tommy Barker says Heir Island property offers rare opportunity.

XANTHAN GUM: An invaluable aid for gluten-free baking, as gluten-free flours are less elastic in texture. Adding a small amount of xanthan gum will to some extent replace these elastic qualities.