Four Roses Yellow Label is a Kentucky straight bourbon and is the entry-level bourbon for the brand. Four Roses has two separate mash bills they can use for their bourbons. One is labeled recipe “B” and is 60% corn, 35% rye, and 5% malted barley. The other is recipe “E” and is 75% corn, 20% rye, and 5% malted barley. Both mash bills are utilized for this bottling. Additionally, Four Roses uses up to five different yeast strains for their bourbons. All are used here.