Frog cake still popular in the city. It soon became known as the Balfours mascot, and has traditionally only been sold in South Australia, although they are now sold in Victoria, New South Wales and Queensland as well. The original frog cakes were green in colour, and green remains the most popular of the options, but chocolate and pink coloured versions were later added to the range. In addition, while the frog motif dominates, special occasions have resulted in slightly different designs – such as Father Christmas and Snowman cakes released during Christmas seasons and "Chick" cakes around Easter. Frog cakes have
National Bakery School Students' Society celebrated it Diamond Jubilee with a sherry party held at the Borough Polytechnic's Edric Hall. In that same year the Lord Mayor of London was presented with special pieces of bread made by students of the Department, which were delivered by hand cart to Mansion House, where the Mayor and Lady Mayoress received students for afternoon tea. From 1969 the National Bakery School moved to purpose built accommodation within new extension buildings of the then Polytechnic of the South Bank, which were opened by the Duke of Edinburgh. In 1989 the School yet again baked a cake for