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.
Keep in mind that serving sizes vary a bit depending on how big you cut the slices. 1  Quarter sheet cakes are, just as the name describes, approximately one quarter of the size of a full sheet cake. 2  The half sheet cake is approximately 11 X 15 inches in size and typically one layer that serves 30 to 40 people.