TBH, i'd have cabled direct from box to box horizontally, saves the surface cables below worktop. kiychen fitter will need to notch his vertical weetabix boards.
Well I'm all for keeping the chasing (hard work and mess] to a minimum Tel and think there may be less risk of future damage to the cabling as people don't think of cables being in the wall horizontally between sockets and like fitting daft gadgets to the walls. :smile5: