“What did the chocolate sauce say to the ice cream?”/“I’m sweet on you!”

An ice cream riddle—popular on Valentine’s Day—is:
 
Q: What did the chocolate sauce/syrup say to the ice cream?
A: “I’m sweet on you!”

 
The riddle has been cited in print since at least 2001 and has been printed on an ecard.
   
 
Google Books
Hannah on Her Way
By Claudia Mills
New York, NY: Macmillan Pub. Co.
1991
Pg. 74:
It showed a picture of an ice-cream sundae, and the printed words said, “I’m sweet on you.”
 
19 July 2001, Greenville (SC) News, “Mini ha-has,” pg. 3D, col. 3:
What did the chocolate sauce say to the ice cream?
I’m sweet on you!
 
Google Groups: alt.humor.puns
Puns of the Weak 02-28-03
Stan Kegel
2/28/03
(...)
What did the chocolate syrup say to the ice cream?
“I’m sweet on you!” (Clean Cut Jokes)
   
20 November 2004, Topeka (KS) Capital Journal, “Trick Snake,” pg. C6:
What did the chocolate sauce say to the ice cream?
I’m sweet on you!
 
Google Groups: alt.humor.jewish
Valentine Riddles
Stan Kegel
2/10/05
(...)
What did the chocolate syrup say to the ice cream?
“I’m sweet on you!”
 
Google Books
Grin & Share It!:
More Laugh Lines for Educators

By Diane Hodges
Thousand Oaks, CA: Corwin Press
2008
Pg. 73:
Q: What did the chocolate syrup say to the ice cream?
A: “I’m sweet on you!”
   
Twitter
One Geek To Another
‏@stewieX
And the final cheesy Valentines joke of the day:  Q: What did the cholcolate syrup say to the ice cream?  A: “I’m sweet on you!”
12:07 PM - 14 Feb 2009
 
Delayed Reaction Lounge
Tuesday, February 7, 2012
WANNA LAUGH?!?!??!
(...)
Q: What did the cholcolate syrup say to the ice cream?
A: “I’m sweet on you!”
   
Google Books
Valentines Day Jokes
By Peter Crumpton
PeteyRF Creative
2015
Pg. ?:
What did the chocolate syrup say to the ice cream?
“I’m sweet on you!”
 
Google Books
Wimpy Kid Jokes About Love & Valentines!:
The Ultimate Book of Valentines Jokes, Riddles, Fun Trivia, Facts, Puns and More!

By Marcus Stuart
LOL Kids Books
2016
Pg. ?:
What did the chocolate syrup say to the ice cream?
I’m sweet on you.