How Early Can I Set Up a Buttercream Wedding Cake?

(Image credit: Apartment Therapy)

Q: What is the earliest time I can set up a wedding cake at a reception hall that is climate controlled? I am using buttercream and no fillings.

The reception starts at 5pm — is 10am setup too early?

Sent by JK

Editor: Readers, how long do you think buttercream can sit out and still be safe to eat? Any pro cake bakers among our readers ready to weigh in?