Cardboard Cake Plate by Jung-Suk Choi
This simple concept from Jung-Suk Choi incorporates a plate and eating utensil both into a recyclable paper plate. (But mostly I'm just linking it because it's cake.)
Cake.
Cakes Ret’ To Eat [YankoDesign.com]

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It is a very nice and so useless!
But the cakes looks weird here...
That's because the cake is a lie...
Sorry!
Don't see why. Food coloring would do that. So would pistachios.
Looks like green tea (matcha) cake to me, possibly with red bean filling. (Mmm!)
For comparison, here's a photo of a slice of green tea sponge cake roll.
Please shut up about the cake and its veracity. Every time you repeat that tired cliche, GlaDOS kills a companion cube.