Sour mash (or sourmash) is a process used in the distilling industry that uses material from an older batch of mash to adjust the acidity of a new mash. The term can also be used as the name of the type of mash used in such a process, and a bourbon made using this process can be referred to as a sour mash bourbon .

Jul 23, 2014 · Sour Mash is a process that uses material from an older batch of mash to start fermentation of a new batch of mash. The following procedure was gathered from an interview with Short Mountain Distillery and other online resources.

Jan 17, 2022 · Sour mash whiskey is a type of whiskey made using a method that incorporates a portion of a previously fermented mash into a new batch. This technique, similar to making sourdough bread, helps maintain consistent acidity levels in the mash, ensuring a stable and efficient fermentation process.

Mar 8, 2023 · Sour mash is a term that comes up frequently when it comes to bourbon. And there's a very good reason for that, and it has to do with how bourbon is produced.

Mar 8, 2022 · “Sour mash” refers to a specific process used by some distillers to add a distinct flavor to their whiskey. A sour mash whiskey can actually be classified as bourbon since both types of whiskey are made under the same restrictions (51% corn in the mash, aged in new charred oak barrels, etc).

Sour mash is the process used by whisky distilleries that relies upon an older batch of mash to begin the fermentation process of the next. This allows control of the pH and also provides valuable nutrients for the yeast.

Oct 5, 2023 · A sour mash is a process of taking leftover distilled mash and adding it to a fresh batch of mash. It’s also referred to as backset or stillage (when referring to sour mash whiskey) and dunder (when referring to sour mash rum).

Sep 1, 2023 · Sour mash is the most common whisky distilling method. In sweet mash, fresh yeast is used in open-topped vats to get the fermentation process going. Sweet mash whisky offers a slightly sweeter taste.

May 19, 2022 · Sour mash whiskeys combine the spent mash from a previous batch and a new mash to control the growth of bacteria that can alter the taste of the liquor. The old mash is a previously fermented mash containing dead yeast, a good food source for live yeast.

Jul 18, 2022 · Sour mash refers to the way bourbon is produced. The term "mash" isn't referring to the physical mixing of the ingredients, but a grouping of ingredients that are used to create the next batch. The ingredients generally included in sour …