Popsugar Living Cooking Basics How to Clean Leeks Take Leeks From Gritty to Squeaky Clean May 17, 2018 by Nicole Perry View On One Page Photo 3 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Remove the Root Ends Bundle together the leeks so that the ends are lined up and trim away the roots in one clean cut. If you're working with many leeks (more than 5) it may be easier to do this in groups. Previous Next Start Slideshow Cooking BasicsCooking TipsHow-TosLeeksKnife Skills