A boot of fly agaric burned when blackbirds are calling
A parrot cage of oysters scrumped on the night of a blue moon
2 cups of diced ear of rat
1 cup of mashed stomach of dormouse
Raw claw of cockatrice
Tap dance on, then fry in the cauldron during a new moon.
Induces bothersome elves to turn into candy apples, and makes politicians turn into donkeys.