So this is going to be a quick and dirty tutorial, though I'll come back and clean it up later.
With the release of Turn of Tides (and now Hook Line and Inker), Klei have added in new functions to the dryable component that make modded drying rack items super easy.
Beautiful fish jerky.
We achieve this with the following postinit:
local function DriedFishbiteInit(inst)
if inst.components.dryable then