Yoylecake

Yoylecake is a fictional food found in BFDI and BFDIA. It is purple, green, yellow, and orange. It is made from yoyleberries, which are from Yoyleland.Yoylecake's first appearance is in BFDI 21, though it has been mentioned several times before that. When When Bubble is told she has immunity, she mentions it. Then Leafy, being kind, says she has some with her, and offers Bubble a slice. She eats it, mentioning its deliciousness.

Later in the episode, during the long jump contest, she turns metal midair. Leafy then mentions the side effect of turning metal.

In BFDI 22, the cake for Cake At Stake is Yoylecake. At the end of the episode, everyone turns metal at the same time, except Bubble, who turns metal a few seconds after.

In BFDI 23, all (metal) contestants are required to jump into a furnace to get metal to make an Announcer Recovery Center.