Measure flour,baking powder and preservatives and a dry bowl.

Measure butter in a mixing bowl,and measured sugar and flavour in same bowl.and start creaming using a mixer.

Cream sugar,butter,and flavour untill fluffy and light.increased in size and almost white.

Break eggs in a bowl,and beat lightly add in thr cream mixture and mix very well.

Stop mixer and fold in mixture flour,baking and preservative into the mixture.

Pour in the greased pan,and bake for 50minutes.