Stop 1: The Mouth. The mouth is the beginning of the digestive system, and, in fact, digestion starts here before you even take the first bite of a meal. The smell of food triggers the salivary glands in your mouth to secrete saliva, causing your mouth to water. When you actually taste the food, saliva increases.
Size, Shape & Numbers. 1  8Ã12â³ single layer cake feeds 15-20 people. 2  12Ã16â³ single layer cake feeds 40-60 people. 3  12Ã16â³ double layer cake feeds 40-60 people. 4  16Ã24â³ single layer cake feeds 80-100 people. 5  16Ã24â³ double layer cake feeds 80-100 people.
I'm presuming you mean the typical Costco celebration cake, the kind you might get personalized for a birthday or graduation party. Michelle Tarver's answer is correct for that kind. It's a half sheet cake, finished at about 12 x 16 which they state serves 48 people, with each person getting a generous 1 x 4 slice of cake.