Traditional wedding cake

Cooking ingredients

½ tsp bicarbonate of soda

¾ tsp bicarbonate of soda

1 tsp bicarbonate of soda

90g/3¼oz dark brown sugar

150g/5½oz dark brown sugar

225g/8oz dark brown sugar

60g/2¼oz caster sugar

100g/3½oz caster sugar

150g/5½oz caster sugar

½ tsp ground cinnamon

¾ tsp ground cinnamon

1 tsp ground cinnamon

½ tsp ground cloves

¾ tsp ground cloves

1 tsp ground cloves

165g/5¾oz currants

275g/9¾oz currants

410g/14½oz currants

1.5kg/3lb 5oz ready-to-roll white icing

5.15kg/11lb 6oz ready-to-roll white icing

icing sugar, for dusting

3.5kg/7lb 11oz marzipan

225g/8oz raisins

375g/13oz raisins

550g/1lb 4oz raisins

185g/6½oz self-raising flour

310g/11oz self-raising flour

450g/1lb self-raising flour

340g/12½oz sultanas

565g/1lb 4oz sultanas

850g/1lb 14oz sultanas

1 tbsp black treacle

2 tbsp black treacle

3 tbsp black treacle

2 tsp vanilla essence

3 tsp vanilla essence

4 tsp vanilla essence