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Read the dough · Intermediate

The fermentation lab

Use repeatable observations to decide when to fold, shape and bake.

Lesson 2 of 4

Find the end of bulk

The end of bulk is a judgment built from several clues.

Ingredients for this learning path

  • Your familiar sourdough formula
  • The same flour for comparison bakes

Equipment

  • Thermometer
  • Straight-sided dough container
  • Small sample jar
  • Notebook

The lesson

  1. Mark the starting volume in a straight-sided container. Observe expansion, edge bubbles, a gently domed surface and movement when the bowl is nudged.
  2. Use the target rise for your particular formula as a starting point. Dough warmth, starter quantity, flour and the next proofing stage change the ideal endpoint.
  3. Compare with your previous bake: tight crumb and little expansion may suggest insufficient fermentation; fragile, collapsed dough may suggest too much.
  4. Do not wait automatically for doubling if your formula is designed to be shaped earlier.

The baker’s note

A sample jar helps but may not match the main dough’s temperature.

Practice

Describe three signs you will use together to judge bulk.

Technique lessons may require a separate complete formula. Read the full path before mixing.

LESSON 2 OF 4 · 7 min read

Find the end of bulk

The end of bulk is a judgment built from several clues.

Go to guided practice & lesson check

Let’s work through it

  1. Mark the starting volume in a straight-sided container. Observe expansion, edge bubbles, a gently domed surface and movement when the bowl is nudged.
  2. Use the target rise for your particular formula as a starting point. Dough warmth, starter quantity, flour and the next proofing stage change the ideal endpoint.
  3. Compare with your previous bake: tight crumb and little expansion may suggest insufficient fermentation; fragile, collapsed dough may suggest too much.
  4. Do not wait automatically for doubling if your formula is designed to be shaped earlier.

LEARN IT. TRY IT. MAKE IT YOURS.

Your practice bench

Read the whole lesson first, then work at your own pace. Check a step when you’ve practiced or reviewed it.

0 of 4 steps

STEP 1 OF 4

Mark the starting volume in a straight-sided container. Observe expansion, edge bubbles, a gently domed surface and movement when the bowl is nudged.

MAKE THE BAKER’S CALL

Which approach best identifies the end of bulk?

TAKE IT TO YOUR OWN KITCHEN

Your next small experiment

Describe three signs you will use together to judge bulk.

Record what happened in my journal
How do you feel about this skill?

Practice works here. Sign in to save it between visits. Answers are for practice, not a graded certification.

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Make it part of your practice

Describe three signs you will use together to judge bulk.

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YOUR BAKING JOURNAL

Remember what the dough taught you.

Record your temperatures, timing, observations and one thing to try next.

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