Hundreds of Flights Canceled in Chicago as Winter Storm Stella Hits the Plains, Midwest; Pileup Closes I-43 in Wisconsin.
The typical grain mixture for bourbon, known as the mash bill, is a minimum of 51% corn, with the remainder being rye, wheat, malted barley, or some combination of these. A mash bill that contains wheat instead of rye produces what is known as a wheated bourbon. The grain is ground and mixed with water.
1 Made of a grain mix of at least 51% corn. 2  Produced in the USA. 3  Free of additives (except water to reduce proof, where necessary). 4  Aged in new, charred oak barrels. 5  Aged for a minimum of two years to be called straight bourbon.  Distilled at no more than 160 proof (80% ABV).