Cream butter and sugar
Add eggs
Add your flavour
powder together
Now add your sieved dry ingredients to the sugar and butter mix in small portions and mix alternating it with the buttermilk
Now mix the baking powder with the white vinegar and add to the batter.

Pour batter into already prepared 8 pan and bake in pre heated oven till properly baked.

For the icing i mixed my butter and icing sugar till the mixture is light and the colour of the butter is changed.i then added milk and strewberry flavour and mix properly.