: grain mash for brewing or distilling whose initial acidity has been adjusted to optimum condition for yeast fermentation by mash from a previous run
Example Sentences
Recent Examples on the WebFirst things first—this is a sour mash whiskey, and not a bourbon, because the mash bill has all the right components (corn, rye and barley) but in different proportions (namely less than 51 percent corn as required by law to be called bourbon). Jonah Flicker, Robb Report, 31 Aug. 2022 Under him, the company became the largest producer of sour mash whiskey in the world. Howard Walker, Robb Report, 18 Jan. 2022 Rye sour mash fermenting at the James E. Pepper Distillery. Yuka Hayashi, WSJ, 21 Mar. 2021 One of Crowe’s most notable accomplishments was introducing and refining the sour mash fermentation technique, a method now commonly used in bourbon production.al, 30 Dec. 2019 Instead, from the first batch, Kilburn and co. used a completely clean, stable source of yeast without having to add in any sour mash—a process called sweet mashing. Andrew Daniels, Popular Mechanics, 24 May 2019