When it goes wrong · Weigh
A converted recipe comes out wrong.
Can you save it?
Reviewed for this symptom
Redo the arithmetic per ingredient using a density table — a cup of flour is about 125 g, a cup of honey about 340 g — and correct what you can before it is mixed. A dough that is off in hydration can be nudged with flour or water; a baked batter cannot.
How to confirm the diagnosis
Observable cues, not inferred user state
- A single conversion factor was applied to every ingredient
- Dense and light ingredients were both converted the same way
- The texture is far off for a recipe followed exactly
Not this?
- The total is wrong even though each addition looked right.
- Small quantities read as zero or jump erratically.
- Readings drift during a long mix.
What actually happened
Only this symptom
A generic cup-to-gram conversion was used. Density is per ingredient — a cup of flour is 125 g, a cup of honey is 340 g.
The full mechanism
Shared by every weigh failure
Mass does not depend on packing, humidity or how the cup was filled, so it is the only measurement that makes a recipe reproducible. It also unlocks ratio thinking, which is how professional baking actually works: expressing every ingredient as a percentage of the flour weight — baker's percentage — means a formula scales to any quantity without arithmetic errors, and two recipes can be compared directly. A dough at 70% hydration is a known thing; a dough with 'three cups of flour and a cup and a half of water' is not, because nobody knows how much flour that was. Weighing also removes an entire class of failure in bread and pastry, where a ten percent error in hydration is the difference between a slack dough and a stiff one.
The full Weigh lesson — how to tell, where to practise it, what it carries to.
Next time
Prevent this specific failure
Convert each ingredient by its own density, never with one generic cups-to-grams number, and prefer recipes written in weight.
What right looks like
Shared by every weigh failure
- The scale is tared with the bowl on it, then tared again after each addition — everything goes into one bowl and the number resets.
- Readings settle before you trust them; a scale still climbing has not finished.
- For anything under about 5 g the scale's resolution is the limit — that is where spoons are more accurate, not less.
- Hydration expressed as a percentage tells you what a dough will feel like before you touch it.