“When do you serve tofu turkey?”/“Pranksgiving.”

Some people serve tofu “turkey” on Thanksgiving, and there’s a riddle:
 
Q: When do you serve tofu turkey?
A: On Pranksgiving.
   
A dish that is not actual turkey is appropriate for “Pranksgiving” (prank + Thanksgiving).
 
“When do you stuff a rubber turkey? On Pranksgiving.” was included in the book Oodles of Riddles (1989) by Lori Miller Fox. “When do you serve tofu turkey? Pranksgiving” was posted on Twitter on November 20, 2015.
 
   
Google Books
Oodles of Riddles
By Lori Miller Fox
Pictures by Sandy Hoffman
New York, NY: Sterling Publishing Company, Inc.
1989
Pg. 45:
When do you stuff a rubber turkey?
On Pranksgiving.
 
Twitter
Cody K
‏@cody2k
Funny Pranksgiving 2009 tofu turducken - - tofucken!! L.m.a.o.
4:17 PM - 27 Nov 2009
 
Twitter
Bay Lee
‏@JaimsVanDerBeek
When do you serve tofu turkey? Pranksgiving.
#BadJokeFriday @999kisw
6:43 PM - 20 Nov 2015
 
Twitter
Annoying Orange
‏@annoyingorange
When do you serve tofu turkey? Pranksgiving. HAHAHA! #Thanksgiving #Pranksgiving #HappyTurkeyDay #PrinceOfPuns
10:03 AM - 26 Nov 2015
     
Minetime
Top jokes of the year 2016
Discussion in ‘Off Topic Archive’ started by Itz_Dangerous, Oct 1, 2016.
(...)
Holiday Jokes
When do you serve tofu turkey? Pranksgiving.
 
Twitter
Nancy Johnson
‏@NancyJohnson937
When do you serve tofu turkey? Pranksgiving. #NancyTellsAJoke #Thanksgiving
5:10 AM - 3 Nov 2016