Step #1
Place the cake mix, water and oil into a bowl. Mix together to form a smooth batter.
Step #2
Pour into a well greased pre-lined loaf tin.
Step #3
Bake in a lower half of a pre-heated oven 170 °C (340°F, Gas Mark 3) for approximately 55-60 minutes until golden brown and baked through.
Step #4
Remove from tin after 5 minutes and allow to cool completely on a wire tray.
Step #5
Place the butter, soft brown sugar and salt into small pan and gently heat until the butter has melted and the mixture is smooth. Add the milk and bring to the boil. Boil for 2 minutes stirring occasionally.
Step #6
Remove from the heat and sift in the icing sugar. Beat until smooth and spread over the cake with a pallet knife.
