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 4 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Slice the Leeks in Half Slice each leek in half from end to end. This will make it easier to remove any grit lurking between the layers. Previous Next Start Slideshow Cooking BasicsCooking TipsHow-TosLeeksKnife Skills