Instructions (step 3 onwards)
3. Then empty the contens of the cake mix into a mixing bowl and add1 medium egg and 4tbsp(60ml) of cold water.Wisk for 1 minute until smooth.
4. Later divide the cake mixture evenly between the 6 cupcake cases. Bake in the centre of the oven for 12-15 minutes.Ensure the cupcakes are cooked throughout.Remove from the oven and allow to cool for 5 minutes before transferring to a wire rack.
5. Once the cakes are completly cool prepare the frosting.Empty the frosting mix into a small bowl,add 75g of softened unsalted butter. Mix together until light and fluffy.