Two different stages of sweet mash or distiller's beer bubble as they ferment at Garrison Bros. Distillery in Hye, TX on Sat., Jan 12, 2013.  The raw ingrediants of corn, wheat, rye and barley are mixed with water and yeast to create the sweet mash, which is then distilled and aged to create bourbon. Photo: Ashley Landis, For The Houston Chronicle / copyright 2013 Ashley Landis