In bowel sieve you flour then add the salt and baking powder

In a different bowel mix you margarine and sugar star.

Add one egg at a till still starring it.

Then add you flour into the mixture little by little still stirring it in a way crating air inside you mixtures.

Add you juice of lemon and orange and stir

Oil you tin,then pour you mixtures. You can now bake you cake

For me I used mawe tatu.