Portions are as follows:
Fruit cake is 1" portion per person
Sponge cake is 1" by 2" portion per person
If you require bigger portions per person you will need to opt for the next size up.
How to cut your cake to get the
maximum amount of portions
It’s best to cut the cake in grids instead of triangular cuts. You will have much neater cuts, and it’s easier to divide into even sizes. Below is the portion guide for round and square cakes. This portion guide will also give you an approximate size for novelty cakes and sculpted cakes, as we would be using the basic round or square cakes to start with.