Anise oil. Most people don''t have a clue what it is but deer will often stop in their tracks if the smell it and more often than not after they smell it they will search out the smell and eat what ever you apply it to.

Just be careful if your state doesn't allow baiting. Anything not natural can be considered baiting in those states, just like the spilled popcorn. In Alabama that small handful of popcorn or a peanut butter jar would cost you about $475 in fines should a over zelous possum police walked up..