Summary: Mash is the mixture of milled cereal grain and hot water prepared during mashing so grain starch can be converted into fermentable sugars.
Reference: English Whisky Product Specification (opens in a new tab)
Department for Environment, Food and Rural Affairs · Reference checked 21 July 2026
Where to look: PDF page 6, Stage 2: Mashing
The summary above is a concise paraphrase of the cited material. It is not a quotation or a complete statement of law.
Glossary last reviewed .