Just above the replicator in the post credit sequence can be seen the unit designation A-113. This is the number of the animation classroom at Cal-Arts where many people in film attended. It is commonly found in Pixar movies as well.
Edward (H.Jon Benjamin) says, "I am no chef," but he plays a chef in the Arby's commercials and he is the voice of Bob in Bob's Burgers, who is a cook.