Plague Stew has a 100% chance to cure the Plague(article needed) One Plague Stew is crafted using one Bundle of Sweet-Smelling Herbs one Old Treacle (article needed) one Plague Leech (article needed) and one Bowl in any order.

Crafting recipe
Plague Stew has a 100% chance to cure the Plague(article needed) One Plague Stew is crafted using one Bundle of Sweet-Smelling Herbs one Old Treacle (article needed) one Plague Leech (article needed) and one Bowl in any order.
Crafting recipe