Whisk the butter, sugar and salt in a bowl.
Whisk in the eggs one at a time, mix in the yoghurt.
Combine the flour, almonds and baking powder, mix in. Transfer the cake mixture to the prepared tin, scatter the berries over the top, press down gently.
Approx. 1 hr. in the lower half of an oven preheated to 180°C. Remove from the oven, allow to cool a little, remove from the tin and leave to cool on a rack.
Dust the cake with icing sugar.