In this June 19, 2014 photo, freshly baked cannabis-infused cookies cool on a rack inside Sweet Grass Kitchen, a well-established gourmet marijuana edibles bakery which sells its confections to retail outlets, in Denver. Sweet Grass Kitchen, like other cannabis food producers in the state, is held to rigorous health inspection standards, and has received praise from inspectors, according to owner Julie Berliner. (AP Photo/Brennan Linsley)