Vanishing Cookie

The Vanishing Cookie is a treasure in  located in the Engulfed Castle. It is a diamond shaped with a strawberry jam-based filling in the center.

Collecting the treasure
The Vanishing Cookie is inside of a Fiery Bulblax near on the second corridor from the north of sublevel 1 of the Engulfed Castle. To collect this treasure, you must first defeat the Fiery Bulblax by either dousing it with a nearby water puddle or allowing the Waterwraith to kill it, then throw 3 Pikmin at it.

Naming

 * Internal name: The Vanishing Cookie's internal name is  as the treasure's design is based off of a cookie type from the game Yoshi's Cookie.

Trivia

 * This treasure, along with the Cookie of Nibbled Circles, Cookie of Prosperity, Love's Fortune Cookie, and Hearty Container are all based off of cookies from the game Yoshi's Cookie.
 * The supposed vanishing nature of the treasure likely a reference to how the cookies disappear when cleared in the puzzle game.