Pre-heat the oven to 180C / 350 F gas mark 4.
Sift all the dry ingredients except the sugar.
Rub the butter into the dry ingredients until it looks like breadcrumbs.
Warm the treacle and syrup to blood temperature.
Dissolve the sugar in the milk over a low heat.
Whisk the milk into the flour mixture.
Then whisk in the treacle mixture followed by the egg. When thoroughly combined it will look like a thin batter.
Pour the mixture into your prepared lined tins and bake for 45mins – 1 hour, test with a clean skewer. Mixture is halved between the two tins
During baking, the mixture will rise, then sink, this is normal. Remove from the tin and greaseproof paper. Leave to cool