Heat oven at 325 degrees . Grease a 9″ tin or mold and line with grease proof paper. Sift flour and baking powder in bowl. Set aside.
Crack the eggs.
Place the measured butter and sugar to a bowl. Add eggs and beat for one minute.
Add the sifted flour and baking powder.
Beat mixture for 3 minutes. Mixture should become pale and slightly glossy.
Spoon mixture into prepared greased pan. Smooth the surface.
Bake for 20 – 30 minutes. Cake is ready when skewer inserted comes out clean.