Bread Knife Uses: What It Is and What It Really Cuts

A bread knife is a long, serrated blade — usually 8 to 10 inches — that cuts on a back-and-forth draw instead of downward pressure. The teeth grip and shear crust, cake, tomato skin and melon rind, so the blade passes through without crushing or tearing what is underneath.

What is a bread knife?

Where a chef knife has a smooth, continuous edge that splits food apart under pressure, a bread knife has scallops or teeth ground along its edge. Each tooth is a tiny point of contact, so the force you apply is concentrated instead of spread out. Drawn back and forth, those points saw through a hard shell — the crust of a sourdough, the skin of a tomato — and then keep travelling without compressing the soft interior.

That is the whole design. It is why a bread knife does not need to be pressed down, and why pressing down is the most common mistake people make with one.

Serrations come in two broad shapes. Pointed, saw-like teeth are aggressive and bite hard, but they tear soft crumb and are miserable to sharpen. Wide, rounded scallops — what you will find on our blades — cut more cleanly, leave fewer crumbs, and hold an edge for years. If you want the full comparison, we wrote it up in serrated vs straight edge.

What is a bread knife used for?

Far more than bread. A serrated blade is the right tool any time a food has a tough outside and a soft inside, or is delicate enough that downward pressure would wreck it.

Bread and baked goods

Crusty artisan loaves, baguettes, brioche, bagels, focaccia, biscuits. It also handles loaves loaded with extras — olives, walnuts, raisins — where the sudden change in texture snags a straight edge and drags the slice apart.

Fruit and vegetables

Tomatoes and citrus are the obvious ones: the teeth break the skin instantly instead of skidding across it. Less obvious, and more important, is hard produce. Winter squash, pumpkin and whole melons can trap a straight blade mid-cut, which is exactly how people cut themselves. Slice a flat off one end so the fruit cannot roll, then work a long serrated blade through it.

Cakes and pastry

A long serrated blade levels a sponge in a single horizontal pass and cuts layered cake without dragging the filling. It is also the safest way to break up a block of baking chocolate, which shatters unpredictably under a straight edge.

Roasts and crusted meat

A serrated blade will carve a crusted prime rib, a brisket bark or a roast chicken cleanly when you do not have a dedicated slicer. Length matters here more than anywhere else — you want to clear the whole cut in one stroke rather than sawing back over the same line.

How to use a bread knife

Steady the food with your free hand, fingers curled back. Set the heel of the blade on the surface, then draw the knife toward you and push it away in long, even strokes. Let the teeth do the work; the only downward force should be the weight of the knife itself.

Keep the blade vertical. Most uneven slices are not a sharpness problem — they are the knife slowly tilting as it descends, so the slice ends up wedge-shaped. Watch the spine rather than the edge and you will correct it within a loaf or two.

How to choose a bread knife

Length. Eight inches covers home loaves, cakes and produce. Ten inches is worth it if you regularly carve roasts or cut wide boules.

Serration shape. Wide scallops over fine saw teeth, every time. Fewer crumbs, cleaner crumb, longer edge life.

Steel and hardness. Serrated edges are hard to sharpen at home, so the steel needs to hold up. Our Damascus Dynasty 8" Bread Knife and Silver Dynasty 8" Bread Knife both run 67 layers of Damascus steel around a cobalt-enriched 10Cr15CoMoV core at 60±2 HRC — the same construction as our chef knives, with the scallops ground in. For long roasts, the 10" Ford F-150 50th Anniversary Serrated Knife adds reach and a more aggressive serration pattern.

Rigidity. A thin, whippy blade flexes mid-slice and gives you uneven cuts. A full-tang blade with some spine to it stays on line.

How to care for and sharpen a bread knife

Hand wash immediately after use with warm water and a soft cloth or an uncoloured sponge, then dry it completely. Abrasive pads scratch a polished blade and coloured sponges can stain one. Never put a forged knife in the dishwasher — the detergent and heat will ruin a wooden handle long before they touch the steel.

Store it so nothing knocks the teeth: a magnetic strip, a block, or a sheath. Loose in a drawer is how serrations get chipped.

Sharpening is the one job a whetstone cannot do. Each scallop has to be ground individually with a tapered ceramic or diamond rod, working only the bevelled side and finishing with a light pass on the flat to remove the burr. Good news: a serrated edge lasts far longer than a straight one, so most owners go years between sharpenings. If yours ever needs work, our free lifetime guarantee covers it.

Questions we get asked

Is a bread knife the same as a serrated knife?
All bread knives are serrated, but not all serrated knives are bread knives. Serrated steak knives and short serrated utility blades share the edge type; a bread knife is defined by its length and its wide scallops.

Can I use a bread knife instead of a chef knife?
For soft or crusted foods, yes. For dicing an onion, mincing garlic or anything that needs a clean push cut, no — serrations tear rather than slice, and the blade cannot rock on the board.

Do I really need a bread knife if I rarely bake?
Most people who own one stop thinking of it as a bread knife within a month. Tomatoes, melon, squash, cake and roasts are the jobs it quietly takes over.

Shop the range

Every one of our bread and serrated knives is hand forged, hand sharpened and oiled before it ships, and comes with a 99-day home trial and a free lifetime guarantee. Slice with it for three months. If it is not the sharpest blade you have ever used, send it back.

Related reading: how to slice bread perfectly every time and which knife does what.

The Cooking Guild