Preheat oven to 180 degrees. Grease and flour a 9 inch pan.
Whisk all the dry ingredients in a bowl.
Whisk the wet ingredients in another bowl till combined.
Add the wet into the dry ingredients and fold in softly - do not overmix!
Pour into the pan and bake for 30 minutes or till the skewer comes out clean.
Cool in the pan for 10 minutes till the sides pull out of the pan and then flip onto a cooling rack till completely cool.
Sprinkle icing sugar and serve.