Stewed Mandrake

Stewed Mandrake was a potion ingredient used in the the Shrinking Solution potion. Harry had to once make the potion and this was one of the ingredients required.

Etymology
Mandrake is a powerful and special plant. It is meant to be put at the bottom of a hanged man's feet.

Stewed means crushed and put into a stewy paste.

Behind the scenes

 * A couple of jars are added to the Shrinking Solution in Harry Potter and the Half-Blood Prince (video game).

Appearances
Harry Potter and the Half-Blood Prince (video game) (mentioned and seen)