Bread lame or bread knife? Choose the tool for the right stage
A baker asking for “something to cut sourdough with” might mean two completely different jobs. Ask when they want to use it.
Before the oven: scoring the dough
A bread lame holds a thin blade for making a deliberate cut in the surface of shaped dough immediately before baking. As the loaf rises in the oven, the cut gives it a place to open. A lame can help form the curved opening called an ear. It does not slice pieces for serving.
At the breadboard: slicing the baked loaf
A bread knife cuts portions from a baked, cooled loaf. A conventional model has a blade extending from its handle. A bread bow supports its blade in a frame. Both can have a serrated edge. The choice between them comes down to fit, cutting hand and storage; a prettier score on the dough has no bearing on which knife fits your kitchen.
Which question sounds like yours?
- “How do I get that split down the top?”
- Start with King Arthur Baking’s scoring guide. Its instructions address the dough before it goes in the oven.
- “Why does my loaf squash when I cut breakfast?”
- Start with cooling and slicing checks. A scoring tool will not solve this job.
- “They want a bread saw for their birthday.”
- Ask whether they mean making a pattern in dough or cutting slices for toast. If they say toast, check these three questions for gift buyers before choosing a bow.
What to look for on the box
Listings for lames usually refer to scoring or a blade holder. Listings for slicing knives describe the cutting blade, handle or frame. Do not rely on the word “sourdough” to distinguish them. Follow the maker’s instructions for the exact tool, especially for fitting and covering a removable blade.
Baking reference: King Arthur Baking’s scoring trials explain why the thickness of the blade matters when cutting soft dough.
By Mike Turnham · Updated 4 November 2026 · Independent guidance, not hands-on product testing. How we choose