Guide
Scoring Bread: Blade Angle, Depth, and Timing for an Open Ear
The blade does not make the ear. The proof, the angle, and the depth do — in that order. Get those right and the loaf does the rest.
Scoring is a controlled weak spot. Oven spring will open the loaf somewhere; the blade tells it where. A good ear — the thin flap that lifts and crisps — is the score opening upward instead of ripping sideways.
Three variables decide it: dough readiness, blade angle, and depth. Fancy patterns fail for the same three reasons a single slash fails.
Score when the dough is proofed, not when the timer says so
The loaf should be cool if it came from the fridge, slightly puffy, and a floured finger should leave a dent that springs back halfway in 2–3 seconds. Fully collapsed dough cannot hold an ear. Under-proofed dough bursts wherever it wants, usually at the base.
Cold dough scores cleaner. If you proofed at room temperature, move the basket to the fridge for 20–30 minutes before turning it out — the skin firms and the lame stops dragging.
Turn the loaf onto parchment or a peel. Score within 60–90 seconds. Every extra minute on the bench skins the surface and the cut welds shut in the oven.
Angle and depth
Hold a straight or curved lame with a fresh half-razor:
| Goal | Blade angle | Depth | Length |
|---|---|---|---|
| High ear on a boule | 25–30° (almost flat) | 8–12 mm (3/8 in) | 4–6 in, slightly off-center |
| Controlled bloom, less ear | 45° | 6–8 mm | Along the long axis of a batard |
| Decorative slashes | 90° (straight down) | 3–5 mm | Short, 1–2 in |
| High-hydration slack dough | 20–30°, one confident motion | 10–15 mm | One decisive cut |
A 90° cut makes a ridge, not an ear — the flap needs a shallow ramp so steam can lift it. Depth is measured into the skin, not along the blade: on a 750–900 g boule, 10 mm is the default. Shallower than 6 mm and the loaf ignores you. Deeper than 20 mm and you deflate a cold-proofed dough.
One motion. Hesitation makes a chewed edge that never lifts.
Where to put the cut
Boule. One slightly curved slash, off-center toward the far side of the loaf as it sits on the peel. The ear opens on the near side of the cut, so aim the flap where you want the photo to land.
Batard. One long cut from 1 inch off the top end to 1 inch off the tail, just right of the centerline, parallel to the long axis. Two parallel cuts on a narrow batard fight each other.
Decoration. Wheat stalks and grids are 90° shallow cuts added after the expansion score. They are decoration. They do not create the ear.
Steam and heat so the cut can open
The score only works if the crust stays plastic for the first 8–12 minutes:
- Dutch oven: preheat 30–45 minutes at 475–500°F. Lid on 18–20 minutes, lid off 15–20.
- Stone plus steam: 500°F stone, 1 cup boiling water into a preheated pan at launch, vent after 12 minutes.
- Pull temp: 205–210°F internal for lean bread.
If the ear fused, you scored too late, cut at 90°, or lost steam. If the loaf split at the base, it was under-proofed or the score was too timid.
A working routine
- Preheat vessel 45 minutes at 485°F.
- Turn out a 12–16 hour cold-proofed boule. Whatever your calculator calls its hydration — include or exclude starter water, just stay consistent.
- Dust the skin lightly. Hold the lame at 30°. Cut 10 mm deep, 5 inches long, off-center.
- Load immediately. Bake 20 minutes covered, 18 uncovered.
Do not mist the slash. Do not brush it with oil. Flour on the skin is enough contrast.
When the ear still will not open
- Tight crumb and the cut barely moved: raise proof 15–20 minutes next time.
- Loaf spread in the pot and the cut unzipped into a crater: drop proof 15 minutes.
- Dull razor: change blades every 4–6 loaves. A dull razor drags and seals the wound.
- High whole-grain doughs: they brown fast and set a crust early. Score 2 mm deeper and keep the lid on 2 extra minutes.
Reading the crumb after the fact
Tall ear, tight 1-inch band of dense crumb under the flap: the score was good and the proof was just shy. Add 15 minutes in the basket next loaf.
Ear opened, then collapsed into a crater: late proof plus a deep cut. Pull the next bulk 20 minutes earlier.
No ear, one side split at the basket ring: the dough stuck, or you dropped it into the pot on that seam. Dust the basket, and load so the score faces the side you want to show.
Keep a log for five loaves: mix hydration as your calculator prints it, bulk hours, fridge hours, the angle you think you used, and whether an ear formed. The log beats another video. After five rows you will know if your problem is proof or the lame.
Key numbers
- Blade angle for an ear: 25–30° to the skin.
- Depth: 8–12 mm on a 750–900 g loaf.
- Score within 90 seconds of turning out.
- Finger dent springs back halfway; cold dough scores cleaner.
- Covered bake 18–20 min at 475–500°F, then uncover.