Popsugar Living Cooking Basics How to Slice Fennel How to Slice Fennel, No Mandoline Needed January 4, 2015 by Nicole Perry View On One Page Photo 3 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Quarter the Bulb To halve the bulb, rest it base side down on the cutting board, and cut downward. To quarter, cut each of the halves in half. Previous Next Start Slideshow Cooking BasicsFennelVegetablesCooking How-To