The Final Shocktale

Update:
We have a winner
~~~Contest is closed~~~

The last two of the Halloween glasses

                                   

              are going to the first person who guesses this Shocktale correctly: 

Double, double, toil and trouble

Fire burn and cauldron bubble.

Fillet of fenny snake ~ In the cauldron, boil and bake   

Eye of newt and toe of frog ~ Wool of bat and tongue of dog 

Leave your answer below