Do You Need a Bread Lame?

Published: July 8, 2026·Updated: July 8, 2026

Only once you bake crusty free-standing loaves — a lame scores the proofed dough so it springs open where you choose instead of bursting at a random seam. Until then, a fresh razor blade or a sharp paring knife scores well enough to start.

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A simple lame (straight or curved blade) once sourdough is a habit — a razor or sharp paring knife to start — Scoring is not slicing: you cut the raw, proofed dough a moment before it bakes so the expanding gas escapes at a planned line — the 'ear' — instead of tearing the side open. A lame is just a razor blade on a handle, and the handle is the whole point: it holds the ultra-thin blade at the shallow angle that cuts wet, slack dough cleanly where a thick knife drags and deflates it. Curved blades carve the classic raised ear; straight blades and a flat angle suit decorative patterns and stiffer doughs. It is a habit purchase that pairs with the banneton — proof, turn out, score, bake — and pan loaves and enriched breads rarely need one. A bread knife is the wrong tool here: that is for slicing the finished loaf, not scoring the raw one.

Tool	Cut on raw dough	Best for	Downside
Lame (blade + handle)	Clean, angled, controllable ear	Sourdough and crusty loaves — the classic	One more single-purpose tool
Bare razor blade	Same cut, no handle	Cheapest start, occasional bakes	Fiddly and less safe to hold
Sharp paring knife	Fine on stiff dough	Pan loaves, quick scoring	Drags and tears wet, high-hydration dough
Bread / serrated knife	Too aggressive on raw dough	Slicing the baked loaf, not scoring	Snags and deflates a proofed dough