How to Cut Fennel

Most guides show you one way to cut fennel. This one shows you four, because a bulb headed for a salad, a sheet pan, a soup pot or a blender should not be cut the same way. Fennel is crunchy like celery (they’re cousins) with a fresh, sweet flavor that leans black licorice, or my favorite movie candy, Good & Plenty. It shows up in Mediterranean and Italian cooking constantly, and once you know the four cuts, it’ll show up in your kitchen too.

I go through about a bulb a week once fennel season hits. A quarter of it goes into my Apple Celery Smoothie, half gets shaved into a Strawberry Arugula Salad or tossed over a Lemon Arugula Salad, and the rest roasts next to dinner. If the bulb is bigger than your plans, the storage section below keeps it crisp all week.

Why This Method Works

• Cut for the recipe, not the rulebook. Shaved for salads, wedges for roasting, diced for soup, chunks for the blender. Each one is a different cut, and the blender cut is the one most guides skip.
• The core rule. Cut the core out when fennel is going raw or into a blender. Leave it in when you roast, so the wedges hold together.
• Nothing hits the trash. The stalks go into broth. The fronds work like an herb. The bulb is dinner.
• Storage with real numbers. Whole bulbs keep 7 to 10 days. Cut fennel keeps up to 5. Frozen, up to 6 months.
• Light and crunchy. One cup of sliced raw fennel has about 27 calories, 1 gram of protein, 3 grams of fiber and 3 grams of natural sugar, with no added sugar. It’s mostly water and crunch.

What You’ll Need

A sharp knife and a sturdy cutting board. That’s really it. I use a paring knife in these photos because it’s what I grab most, and it’s the right tool for coring. A chef’s knife or santoku makes the first big cuts faster. Sharp matters more than size. A mandoline is optional for paper-thin salad slices, and if you like to prep ahead, a lidded wide-mouth jar keeps cut fennel crisp in the fridge.

Getting to Know Fennel

A fennel bulb has four parts. You’ll use three of them.

• Bulb: the pale, layered base. This is what recipes mean when they say “fennel.” Crisp and sweet raw, soft and mellow cooked.
• Core: the dense wedge at the bottom of the bulb. Chewy raw, tender cooked.
• Stalks: fibrous, like celery that grew up too fast. Not fun to eat as-is, but they make excellent veggie broth.
• Fronds: the feathery green tops. Soft, a little like dill, and the best free herb in your fridge.

Picking one: choose a bulb that feels heavy for its size, with tight layers and no bruises. Fennel peaks from late fall through early spring, but you can find it year-round. If the stalks are still attached, grab that one. It keeps longer.

How to Cut Fennel

Want to watch it first? The video takes about a minute.

Prefer to read? Here’s the written version. If your fennel came without stalks, skip to step 2.

Four Cuts for Four Uses

• For salads: shave it. Halve and core, then lay each half flat and slice across it as thin as you can, or run it over a mandoline. Toss with a squeeze of lemon right away. That’s the cut in my Strawberry Arugula Salad, which uses half a bulb.
• For roasting: wedges, core in. Halve the bulb, then cut each half into three or four wedges, slicing through the core so it holds each wedge together. Roast cut side down at 400°F until the edges turn golden, about 25 minutes. Raw, my teenagers push fennel to the edge of the plate. Roasted like this, it disappears.
• For soup: dice it. Halve and core, then slice each half lengthwise, leaving the root end connected. Turn it and cut crosswise into a small dice. It melts into the pot.
• For smoothies: chunk it. Halve, core and rough-chop into 1-inch pieces. A quarter bulb is plenty for one 16-ounce smoothie. Fennel is fibrous, so it blends smoothest after the greens and liquid are already going, or with a high-speed blender running a few seconds longer. Start with my Apple Celery Smoothie.

How to Store Fennel

• Whole bulbs: trim the stalks off first (they pull moisture out of the bulb), then store loosely bagged in the crisper drawer. 7 to 10 days.
• Cut fennel: an airtight container with a squeeze of lemon juice, or submerged in cold water in a lidded wide-mouth jar. Up to 5 days. Change the water every couple of days.
• Fronds: treat them like fresh herbs. Stems down in a jar of water in the fridge, or wrapped in a damp towel, for a few days.
• Stalks: freezer bag. Add them to your next pot of veggie broth.
• Freezing for soups and roasting: quarter the bulb, blanch in boiling water for 30 seconds to a minute, cool in ice water, pat dry and freeze. Up to 6 months. Frozen fennel loses its crunch, so skip it for salads.
• Freezing for smoothies: dice it raw, no blanching needed, and freeze in quarter-bulb portions in silicone freezer trays or straight into your meal prep smoothie packs. Texture doesn’t matter once it’s blended. Best within a few months.

How to Use Fennel

Raw fennel loves sweet things. Shave it thin with strawberries and orange, scatter it over a lemony arugula salad for crunch, or blend a quarter bulb into a green smoothie with apple and ginger. Roast the wedges next to whatever’s for dinner.

And here’s the part that surprises people: fennel seed, from the same plant, is the flavor you taste in a lot of Italian sausage and pizza. I mix the seeds into my pizza crust and slice the bulb thin as a topping.

More How-To Guides

Knowing how to prep something is the difference between buying it and walking past it. How to cut a mango, an avocado or a melon, and how to freeze spinach so half the bag stops going to waste, all live in my tutorials. If there’s a fruit or vegetable you’d like me to cover next, tell me in the comments.