I was given a quest by a follower to feed Yakiana some follow meat, did that, nothing happened. I calmed her down, did it again, still no credit. I closed the game, reopened it, same thing. It won’t credit me for feeding her follower meat. I can’t keep torturing poor Yakiana! 
#You Are What You Eat quest not working
cold parcel
hollow fable
The same thing is happening to me!
lunar trellis
I was given a quest by a follower to feed Yakiana some follow meat, did that, no...
this is a known issue, we're working on it