“Practice safe eating—always use condiments”

In 1985-86 (during the AIDS epidemic), health authorities encouraged people to practice “safe sex” and to “always use a condom.”  By 1987, restaurants parodied this with “Be safe: use condiments” or “Practice safe eating—always use condiments.”
 
     
Google Books
August 1987, Texas Monthly, pg. 50, col. 2:
India’s, 5704 Richmond (266-0131). (In Houston—ed.)
“Be safe; use condiments” read the sign formerly outside the restaurant. We don’t know whether condiments promote safe snacking, but they definitely add spice.
   
9 October 1990, St. Louis (MO) Post-Dispatch, “Drive A Hot Dog? You Bet Yours Buns” by By Elaine Viets, pg. 3D:
As we drove by a college campus, he reminded students to play it safe and ‘‘always use condiments.’’
   
Houston (TX) Press
Punny Man
Mickey Kapoor shakes up Richmond’s sign world

By Alison Cook
Published on October 13, 1994
(...)
The hot water he got into over signs at his former restaurants—notably “IRAQNOPHOBIA” (at Bombay Grill) and “DINE SAFE, USE CONDIMENTS” (at India’s)—has grown hotter now that he’s moved inside the politically sensitive confines of the Loop.
     
Google Books
Latins anonymous: two plays
By Latins Anonymous
Arte Publico Press
1996
Pg. 19:
MR. OLD EL PASO SALSA (With a western twang.) Salsa’s now the most eaten condiment in the United States. And remember, if you want safe snacks, use a condiment.
       
Google Books
The Mammoth Book of Humor
By Geoff Tibballs
New York, NY: Carroll & Graf
2000
Pg. 242:
Practise safe eating: use condiments.
   
5 October 2000, The Record (Kitchener, Ontario), ‘Some Very Deep Thoughts,” pg. I2:
Practise safe eating—always use condiments.
 
2 August 2001, Washington (DC) Post, ‘The Best T-Shirts of Summer 2001” by Bob Levey:
“Practice Safe Food—Use Condiments”—Len Greenberg, of Sterling.
 
Google Books
E-mail humor
By Louis G Morton
Victoria, BC: Trafford
2005
Pg. 16:
Practice safe eating - always use condiments.
   
Google Books
Cooking with Crazy Charley IV:
Cajun and Creole cuisine

By Charley Addison and Ruth Addison
Gretna, LA:
Pelican Pub. Co.
2006
Pg. 111:
SIGNS IN A RESTAURANT
We practice safe cooking — we use condiments.
 
Twitter
Zach
‏@zach_aren
spooning leads to forking… use condiments.
2:48 PM - 20 Dec 2008