“How do you make a cheeseburger sad?”/“Make it with blue cheese.”

A joke about a cheeseburger is:
 
Q: How do you make a cheeseburger sad?
A: Make it with blue cheese.
 
The joke has been cited in print since at least 2002.
 
“What is the saddest cheese?”/“Blue cheese” is another blue cheese riddle. “How do you make a hamburger laugh?”/“Pickle it” is a related riddle.
   
     
Wikipedia: Blue cheese
Blue cheese (or bleu cheese) is semi-soft cheese with a sharp, salty flavor. It is made with cultures of the edible mold Penicillium, giving it spots or veins throughout the cheese in shades of blue or green. It carries a distinct smell, either from the mold or from various specially cultivated bacteria such as Brevibacterium linens, which also causes foot odor and other human body odors.
 
Scatty (February 20, 2002)
How do you make a cheeseburger sad?
Make it with blue cheese!
     
Titled Forum Project
Stiltzkin
08-01-2003, 10:12 PM
(...)
How do you make a cheeseburger sad?
Make it with blue cheese!
 
Twitter
Amanda Faria
‏@Mandawood
how do you make a cheeseburger sad? Make it with blue cheese. BAHAAHAHHAHAHAHA (: i laughed so hard. im such a nerd.
5:47 PM - 12 Oct 2009
 
Twitter
teddysbiggerburgers
‏@teddysburgers
How do you make a cheeseburger sad?
Make it with blue cheese!
COME TO TEDDY’S AND TRY OUR BACON BLEU CHEESE BURGER….IT’S SOOOOOO DELISH!
2:15 PM - 29 Oct 2009
 
Google Books
The Mammoth Book of Really Silly Jokes
By Geoff Tibballs
London: Constable & Robinson Ltd
2011
Pg. 110:
How do you make a cheeseburger sad?
Make it with blue cheese.
 
Facebook
Burger Burger
December 27, 2015 ·
How do you make a cheeseburger sad?
Make it with blue cheese!
 
Twitter
Joker Takeaway
‏@JokerTakeaway
How do you make a cheeseburger sad? Make it with blue cheese! #joke #burger #jokeoftheday
1:15 PM - 6 May 2016