“What do you need to make dill bread?”/“Dill dough.”

A risqué riddle about dill bread is:
 
Q: What do you need to make dill bread?
A: Dill dough (dildo).
 
The joke has been cited in print since at least 1990.
 
Similar “dill” and “dildo” puns include “McDonald’s is making a deep fried pickle covered in batter. They are calling it Mc Dill Dough” and “What do you call a deer that eats pickles?”/“A dill doe.”
 
 
Google Books
Juror
By Parnell Hall
New York, NY: Donald I. Fine
1990
Pg. 178:
BASEBALL PLAYER: (on a roll, goofy laugh) “Yeah, like, how do you make dill bread?— dill dough.”
   
Google Groups: alt.cult-movies.rocky-horror
Where’s all the activity? 😖  
Art Laurie
11/20/94
(...)
How do you make Dill Bread? Easy, use a little Dill Dough.
   
Google Groups: rec.music.phish
Another Review of 7/10/99
TheBoy2001
7/12/99
(...)
“You can’t make dill bread without dill dough”
-the incomparable Keith Reilly
 
Twitter
The Horror Club‏
@TheHorrorClub
Replying to @BBBaumgartner
@BBBaumgartner Here’s a simple but great joke: How do you make dill bread? Dill Dough! Yeah, that’s all I’ve got.
10:24 AM - 8 May 2009
 
Twitter
Kulturtältet‏
@Kulturtaltet
#DagensOrdvits: “What do you need to make dill-bread?” “Dill-dough!” #svpt
10:26 AM - 16 Apr 2010
 
Reddit—Funny
How do you make dill bread? (self.funny)
submitted September 20, 2011 by niwi
dill dough
 
Reddit—Jokes
How do you make dill bread?
submitted October 14, 2015 by runk_dasshole
Dill dough.
 
Reddit—Jokes
How do you make dill bread?
submitted June 9, 2017 by mbradst
Dildo