Buffalo Trace Kosher Wheat Recipe BourbonBuffalo Trace Kosher Wheat Recipe Bourbon Made with the same high quality grains as W. L. Weller Bourbon Whiskey, this Kosher spirit was aged in specifically designated Kosher barrels. In order to satisfy Passover requirements, these barrels were sold to a non Jewish executive in a ceremony witnessed by a representative from the cRc. After aging for seven years, this Wheat Recipe Bourbon was bottled at 94 proof after ensuring the bottling lines were