To make a Sandwich Cake, take everything you think tastes nice:
Ham, cheese, salmon, prawns, paté, cucumber, caviar (red and black), tomatoes, lemon, dill, eggs...then mix in lots of mayonaise and put it all between white bread. Add Swedish flags (not for consumption).
As the typical food served at Christenings, my Vicar cousin has decided to take stats over how many Sandwich Cakes she will be eating each year. It is very likely she'll be digging in once a week for the rest of her life. Lucky, lucky girl!