“I took a baking class. The final was a piece of cake”

“Piece of cake” means something easy. There’s a pun:
 
“I took a baking class. The final was a piece of cake.”
 
“Time for my Baking class mid term. Should be a piece of cake” was cited on Twitter on November 2, 2009. “I just took a Baking Class. The final was a piece of cake” was posted on Reddit on June 14, 2016.
 
 
Twitter
Manuel Garcia
‏@mannyquin
Time for my Baking class mid term. Should be a piece of cake ;]
7:54 PM - 2 Nov 2009
 
Twitter
Kayla
‏@KayBuuh
Tech exam tomorrow. This should be a piece of cake…literally! Hahaha get it? I go to tech for a baking class! Its a pun! 😊
9:30 PM - 16 Dec 2009
 
Twitter
Johnny Banger
‏@CrispyJacks
I wonder if exams for baking class are a piece of cake?
3:04 PM - 5 Jan 2012
 
Twitter
Richard Powell
‏@rapowell90
@DwightAKAJP2 i took a baking class once. My only assignment was a piece of cake
2:55 PM - 27 Apr 2013
 
reddit
I just took a Baking Class
submitted June 14, 2016 by trenton012001
The final was a piece of cake.