Everything is edible but the chopsticks! Cake is chocolate with chocolate ganache filling and chocolate buttercream icing. Plate that the sushi is on is solid chocolate. White/orange chocolate bowl in front was filled with chocolate syrup after delivery to simulate soy sauce. "wasabi" is green buttercream icing, "ginger" is gumpaste. Sushi was made of rice cereal treats, fruit leather, arshmallows and gummi candy. "Roe" was cinnamon red-hots and the "tabiko" on the outside of the California Roll is orange sprinkles.