Place the stomach in cold salted water and let it sit overnight. [substeps] Soaking the stomach will soften it so that it's easier to fill and boil the next day.
[header] How to make haggis [title] Soak the stomach overnight. [step] You'll need to prepare your casing for the haggis the day before you want to make it. You can use sheep or beef stomach which is also called the bung.