All terms Distillery glossary

Mashbill

A mashbill is the recipe of grains used to make a spirit, expressed as percentages, such as 70% corn, 21% rye, and 9% malted barley for a bourbon.

Illustration: Mashbill

The mashbill shapes a whiskey's character and, for bourbon, must be at least 51% corn by law. Tracking mashbills as first-class records, linked to cooks, fills, and lots, gives you full grain-to-bottle traceability and the ability to reproduce a recipe exactly.

What is a bourbon mashbill?

For bourbon, the mashbill must be at least 51 percent corn, with the remainder usually rye or wheat plus malted barley. Rye whiskey is at least 51 percent rye. The grain proportions shape both the legal class of the spirit and its flavor.

Why track mashbills as records?

Treating each mashbill as a versioned record linked to its cooks, fermentations, and fills lets you reproduce a recipe exactly and trace any barrel back to its grain. That connection is the backbone of grain-to-bottle traceability and of defending a style claim.

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