“My favorite color is pizza” is a jocular pizza saying that has been printed on many images. The saying means that the person loves pizza so much, a favorite color is a taste.
 
“My favorite color is pizza” was posted on Twitter on November 11, 2009. “@ariataibi: my favorite color is pizza #myfavoritecolorispizza” was posted on Twitter on September 2, 2011.
 
“T Shirts: My Favorite Color Is Pizza - none http://ow.ly/2F9jVv” was posted on Twitter on March 28, 2014. “#tshirt #tee My Favorite Color is Pizza T-shirt Pizza Slice shirt Fashion Hipster Unisex tshirt tumblr Pinterest” was posted on Twitter on October 1, 2015.
 
“My favorite color is food” is a similar saying.
       
     
Twitter   
soccer dad
@StoneyDanza
my favorite color is pizza
12:01 AM - 11 Nov 2009
   
Twitter
(D:)
@thedeathqueen
RT @adampalermo : my favorite color is pizza
12:26 AM - 11 Nov 2009
   
Twitter
naranjasoyyo
@naranjasoyyo
my favorite color is pizza ! ! ! [and u r officialy my favorite person] =]
11:01 AM - 20 Jan 2010
 
Twitter 
Théo Saulnier
@Danny_Wilde
My favourite color is pizza
11:32 AM - 30 Aug 2010
     
Twitter
Lt. Columbo
@bmbnbs
My favorite color is pizza.
9:55 PM - 19 Sep 2010
 
Twitter
Your imaginary buddy
@kkeku
“my favourite color is pizza!”
6:18 PM - 22 Aug 2011
   
Twitter
princess anna
@annaqque
RT @ariataibi: my favorite color is pizza #myfavoritecolorispizza
10:36 PM - 2 Sep 2011
   
Twitter
Skreened Feed
@skreenedfeed
T Shirts: My Favorite Color Is Pizza - none http://ow.ly/2F9jVv
6:40 PM - 28 Mar 2014
   
Twitter
MetaTees
@TeesMeta
#tshirt #tee My Favorite Color is Pizza T-shirt Pizza Slice shirt Fashion Hipster Unisex tshirt tumblr Pinterest
11:14 PM - 1 Oct 2015
 
Refinery29
These Slogan T-Shirts Are Too Drunk; They Need To Go Home
RACHEL BESSER
JULY 21, 2016, 5:30 PM
(...)
Fashiony My Favorite Color is Pizza Tee, $13.99, available at Etsy.
     
Business Wire (October 9, 2017)
California Pizza Kitchen Releases Nationwide Pizza Poll for National Pizza Month: Results Reveal the Top Food Americans Would Eat for the Rest of Their Lives
(...)
Tank top styles are emblazoned with “My Favorite Color is Pizza” and “Pizza Silences My Hangry;” T-shirt styles read “But First, Pizza” and “Love Triangle” accompanied by a pizza slice design.
 
Twitter
Sarah Rosonke
@sarahrosonke
My favorite color is pizza // #nashville #pizza #tennessee #italianfood #pizzalover https://ift.tt/2x58bVu
11:11 AM - 22 May 2018