Butter 250g，

　　Sugar 250g，

　　Egg 5，

　　Self-raising Flour 250g

　　1.Mix butter with sugar. (Mix until mixture turn white)

　　2.Add an egg into the mixture and mix it well.

　　3.Repeat step 2.（until all the eggs are added in）

　　4.Pour self-raising flour into the mixture spoon by spoon.

　　5.Mix the mixture about 10 to 15 minutes with moderate speed.

　　6.Pour the mixture into a cake mould.

　　7.Pre-heat the oven until 180 degree Celsius.

　　8.Bake the mixture with 180 degree Celsius for 25 minutes.