Method 1. Pre heat the oven 180°C.
2. Sift the flour, baking powder,Cocoa powder
and the salt together.
3. Cream the butter and sugar in a bowl,until the mixture is
pale and fluffy.
4. Gradually beat the eggs. [ add the eggs one at a time beating
well after each addition]
5. Add vanilla.
6. Fold in the sifted flour using a metal spoon.
7.Transfer the mixture to prepared cake tin.
8. Bake it in 180°C for 45 minutes.