The recipe created below by the FFXI Auction House is INCORRECT. It states that you use the Apkallu Feather - you do not use the Feather, you use the Apkallu Egg.
Yield: Chocolate Cake
HQ 1: Silken Spirit
FireCrystal
Patissier (Key Item)
1 x Apkallu Egg
1 x Bird Egg
1 x Heart Chocolate
1 x Maple Sugar
1 x Olive Oil
1 x San d'Orian Flour
1 x Selbina Milk