Use Ikea Knuff magazine files as under sink storage holders. Screw a magazine file holder to the inside of kitchen cupboards. Add space to store more bulky items like chopping boards, cleaning products etc.
Schubladen - Ordnung 55 Genius Storage Inventions That Will Simplify Your Life -- A ton of awesome organization ideas for the home (car too! A lot of these are really clever storage solutions for small spaces.