Yellowstone is an American brand of Kentucky Straight Bourbon Whiskey founded in 1872 and owned and marketed by MGP Ingredients. It is distilled by the Limestone Branch Distillery in Lebanon, Kentucky.
The Recipe - Bourbon is distilled from a fermented mash of grain, yeast and water. The “mash bill” must have a minimum of 51% corn. For most bourbons, the average is about 70%. Other grains such as rye, malted barley, and wheat are considered “flavor” grains.