reduced
v.v. to cook a liquid until some of it turns into steam and the flavor becomes stronger. You do this to make a sauce thicker and more delicious.
v. to boil or simmer a liquid until its volume decreases through evaporation, resulting in a thicker consistency and more concentrated flavor. Transitive when the cook performs the action; intransitive when the liquid itself thickens.
I reduced the sauce until it was thick enough to coat a spoon.
After removing the meat from the pan, add a splash of wine and let it reduce by half to create a rich glaze.
The chef instructed the apprentice to reduce the veal stock slowly over a low flame, ensuring the impurities were skimmed off to maintain a clear and glossy finish.
Often used with the preposition 'by' to indicate the amount of volume lost, or 'to' to indicate the final consistency.
The sauce was reduced of halfThe sauce was reduced by halfWhen describing the amount of liquid lost during cooking, use the preposition 'by' rather than 'of'.