When it goes wrong · Weigh
The total is wrong even though each addition looked right.
Can you save it?
Reviewed for this symptom
If the last addition sits on top of a dry pile, spoon the excess back out until the display reads the intended total. Once liquid is in, scale everything else up to match the mistake — easy in ratios, tedious otherwise — or start the bowl again.
How to confirm the diagnosis
Observable cues, not inferred user state
- The final total is higher than the recipe's sum
- The tare was not pressed between ingredients
- The dough or batter feels wrong for the recipe
Not this?
- Small quantities read as zero or jump erratically.
- Readings drift during a long mix.
- A converted recipe comes out wrong.
What actually happened
Only this symptom
Forgot to tare between ingredients, so a later reading included an earlier one.
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
Tare after every addition, and say the target number out loud before each pour.
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.