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 2 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Trim Away the Fronds Trim the fronds flush with the bulb, reserving the delicate, dill-like tips for garnish (use them as you would fresh herbs). Previous Next Start Slideshow Cooking BasicsFennelVegetablesCooking How-To