g/3½oz butter, softened, plus extra for greasing • g/6oz light muscovado sugar • large free-range eggs • g/8oz self-raising flour • baking powder • bicarbonate of soda • black treacle • ml/9½fl oz full-fat milk • double cream or vanilla ice cream, to serve • For the sauce • g/3½oz butter • g/4½oz light muscovado sugar •
plain flour • caster sugar • butter, cut into pieces • Golden Syrup or treacle • eggs • breadcrumbs • baking soda • Juice and grated rind of half a lemon • milk