“What kind of cheese do you use to disguise a small horse?”/“Mascarpone.”

One popular cheese joke is:
 
Q: What cheese do you use to disguise a small horse?
A: Mascarpone.
 
The joke has been cited in print since at least 2009.
 
   
Wikipedia: Mascarpone
Mascarpone (/ˌmæskɑːrˈpoʊniː/, or /ˈmɑːskərpoʊn/; Italian: [maskarˈpoːne]) is an Italian cheese made from cream, coagulated by the addition of certain acidic substances, such as lemon juice, vinegar, citric acid or acetic acid. It is recognized as a Prodotto agroalimentare tradizionale (traditional regional food product).
 
Google Groups: alt.games.mornington.crescent
Govende
Matthew Caldwell
5/14/97
> What’s Mascarpone?
A small horse in full slap.
   
Twitter
☠ ICETWICE ☢
‏@ICETWICE
What cheese should one use in order to hide a small horse? Mascarpone of course!
4:04 PM - 27 Jul 2009
   
Hijack (Bristol Music Culture
able
Re: All time top two bestest cheese jokes ever.
Reply #21 on: August 06, 2009, 11:17:05
(...)
What kind of cheese do you use to disguise a small horse?
Marscapone
 
Google Books
What’s So Funny?
By Kevin Sheedy
New York, NY: Penguin Books
2010
Pg. ?:
What kind of cheese can hide a small horse?
Mascarpone.
 
Google Books
Say Cheese
By Tutu Tyutyunnik
London: Head of Zeus Ltd
2014
Pg. ?:
WHAT CHEESE DO YOU USE TO HIDE A SMALL HORSE?
MASCARPONE.
 
Hexjam
17 of the best cheese jokes of all time
Cheesy does it.
Rich Cooper - 13 February 2015
(...)
What kind of cheese do you use to disguise a small horse?
Mascarpone.