By Josceline Dimbleby
This brilliant white cake makes a wonderful celebration cake – to make it look really festive, top with crystallized primroses or fresh flowers such as violets. Make a day ahead to allow the frosting to set.
Preheat the oven to 140°C, 275°F, Gas Mark 1. Line the base of 2 ungreased 19—20 cm (7½—8 in)