Tastes great, better filling! Sandwiches of one kind or another have been the Trademark Favorite Foods of many characters.
Occasionally characters may comment on its simplicity, use wacky ingredients, or overstuff their sandwiches, but it's all the same basic food item.
With the aid of a handy logical fallacy, one can prove that a ham sandwich is better than eternal happiness: nothing is better [...] [tvtropes.org]