Execution
Follow the master commands
Heat oven to 160C/140C fan/gas 3. Grease a deep 22cm/9in square cake tin and line with baking parchment. Beat the egg and milk together with a fork.
Gently melt the syrup, treacle, sugar and butter together in a large pan until the sugar has dissolved. Remove from the heat. Mix together the oatmeal, flour and ginger and stir into the syrup mixture, followed by the egg and milk.




