This is such an ingenious use of that space that nearly everyone has between their fridge and the kitchen wall. This Instructable shows you building the entire unit from scratch, but you could luck out and find a large flat file drawer to use as your basic frame. Then all you’d need to do is add the dividers, the dowel railings, and caster wheels. Either way, unlike the other projects here, this one would be at least a day-long undertaking. But if you have a really small kitchen
DIY This could be done with an old chest of drawers. Buy various size tiles (glue on) and drawer pulls, make them look like a lot of smaller drawers. Or paint your own pieces of wood and plain wood pulls to use.
Growing salads, fruits and herbs vertically not only allows urban dwellers to grow food in small spaces, but follows the permaculture principles of stacking, using renewable resources and making the most of the edge.