A distinct phenotype of Girl Scout Cookies, Cookie Dough A strong and long-lasting strain even for cannabis veterans, When combusted, Cookie Dough burns with a smooth and palatable smoke; this smoke has distinct dough and berry flavors on the exhale. Notably, despite its occasional purple coloring, this strain has no discernible grape aroma — this is because the pigments that determine the leaves’ coloring do not have a corresponding effect on their taste.