Vitaphone production reel #226A.
There was a time when the term "sanitary bakery" implied a bakery of higher quality and of course higher cleanliness, than typical bakeries.This term is coming back into popularity in upscale areas in the United States.
The gingerbread man is left standing with his underwear showing, which was becoming a standard sight gag in WB shorts and would continue into future decades.
The conniving, street smart bee has a vaguely Jimmy Cagney-esque accent.