Short story: “The Once Upon a Time”
by look i have opinions
“The Once Upon a Time” (at least that’s what I’m calling it—it’s actually untitled), by an anonymous four-year-old boy
Found here; it is the fourth piece given, the one whose first line is “Once upon a time the once upon a time”
This is a really well-crafted parody of conventional fairy tales. Nice going, four-year-old boy!