“How do you make a sausage roll?”/“Push it.”

A sausage roll riddle is:
   
Q: How do you make a sausage roll?
A: Push it.
     
The joke has been cited in print since at least 1925 and 1978.
 
“How do you make an egg roll?”/“Push it,” “How do you make a spring roll?”/“Push it” and “How do you make a Swiss roll?”/“Push him down a hill” are similar “roll” riddles.
   
     
Google Books
Music Hall Nights
By Dion Clayton Calthrop
London, UK: John Lane
1925  
Pg. 101:
He tells stories concerning ladies’ night attire during a fire, and has been known to relate how to make a sausage roll. (You take it to the top of the stairs and push it with your foot.)
       
Google Books
The Crack-a-Joke Book
Harmondsworth, UK: Penguin Books
1978    
Pg. 56:
How do you make a sausage roll?
Push it.
 
Google Groups: eunet.jokes
food
Hugo Burke
4/30/91
How do you make a sausage roll?
Push it down a hill.
     
Google Books
The Father Christmas It’s a Blooming Terrible Joke Book
By Raymond Briggs
London, UK: Puffin Books
1994
Pg. 70:
How do you make a sausage roll?
Push it.
 
Google Groups: aus.jokes
Sausage Roll Recipe
Longhair
5/13/96
Q. How do you make a sausage roll?
A. Push it!
 
Twitter
Ian B‏
@TheAdmiral
Can anyone tell me some good Q/A jokes? Like… how do you make a sausage roll? Roll it down a hill. (That’s not a very funny one… cry)
8:19 AM - 8 Dec 2008
   
Twitter
David Day‏
@DDayLanding
How do you make a sausage roll?  ... push it
5:41 AM - 12 Jun 2009
     
Twitter
Shit Jokes‏
@ShitJokes
How do you make a sausage roll?
Push it down a hill 🙈
1:19 AM - 20 Sep 2015
 
Google Books
The Bolds on Vacation
By Julian Clary
Minneapolis, MN: Carolrhoda Books
2017
Pg. 310:
How do you make a sausage roll?
Push it downhill!
 
Reddit—Dad Jokes
How do you make a Sausage Roll? (self.dadjokes)
submitted September 18, 2017 by Jordanknowsyou
Push it down a hill
 
Reddit—Jokes
How do you make a Sausage Roll?
submitted January 16, 2018 by MeenaBeti
Push it down a hill.