Q: What did a Zen Buddhist say to the hot dog vendor?
A: Make me one with everything (aka “the works” but that wouldn’t be funny).
Q: And what did the hot dog vendor say to the Zen Buddhist when he asked for his change?
A: Change comes from within.
The OED takes it back to 1899, says it was US slang, and implies that the original was “the (whole) works.”