From Pikipedia, the Pikmin wiki
The Chocolate Cushion (チョコベッド?, lit.: "Choco Bed") is a treasure in Pikmin 2. This treasure is actually a chocolate glazed doughnut, and a recolor of the Sweet Dreamer. It is found in the second sublevel of the Submerged Castle, either on a ledge near the cave or at the other end of the sublevel. The Confection Hoop is located at the other of the two places where this treasure is not.
“I stumbled across this object in a cave that reeked of a putrid odor. My suit allowed me to breathe freely, but it couldn't filter out the overpowering stench. The worst part is, I smell it all the time now! My sense of taste will never be the same! The ship can't analyze tastes, so I guess I'll have to do my best...”
“A sweet tooth's dream! Is this real? Or am I dreaming? If I had teeth, I'd be nibbling with vigor!”
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