Some people are terrible liars. No matter the size of the falsehood, their manner and tone will infallibly expose them as the fraud they are. Malthis of Woodsman’s Dell was one of these people - until his brilliant mind concieved a solution…
Deep within the bowels of the perilous labyrinth, the fearless heroes come upon a grand, ornate chest. Eager for more plunder to line their pockets with, they heave up the lid - to find nothing. A red herring? Maybe not.
Small tavern in an out of the way town. Serve a wonderful delicacy that is simply outstanding. It is a creamy white consistancy, sweet, good to eat alone or a sweetener on any dessert.
If the explore or ask they are shown where they get it. They breed a group of large catipillars or some other type of insect that basically spit the product onto a setup that they created for that particular reason. Or maybe the delicacy is the byproduct of feeding them something.