Zombie head
Avocado sauce was removed from RuneScape after an update, but still exists in-game for those who had obtained it.
[FAQ] • [doc]
Avocado sauce detail

Avocado sauce was a random topping obtained with a plain wrap from the Squeal of Fortune between 5 May and 13 May 2013. It can be combined with a plain wrap to make an avocado wrap. Used to temporarily boost constitution. It was tradeable but has now been changed to untradeable.