List Of What Size Should A 3 Tier Wedding Cake Be References. Web how many layers should a 3 tier wedding cake have? To make the sponge cakes:
Web another solution would be to order a separate single tier cake, specially prepared for these guests with food allergies. Because each slice measures about 1 inch across the back, a 12 inch cake can be served to 40 people. Fold in the egg whites gently.