Pepperoni Pizza (pizza with pepperoni)

Pepperoni has been a popular pizza topping since at least the 1950s. “PEPPERONI PIZZA PIE” was printed in the Register-Star-News (Sandusky, IL) on January 8, 1953. “Try our delicious pizza pie—pepperoni or cheese style” was printed in The Progress (Clearfield, PA) on June 23, 1953.
 
   
Wikipedia: Pepperoni
Pepperoni is an American variety of salami, made from cured pork and beef mixed together and seasoned with paprika or other chili pepper.
 
Pepperoni is characteristically soft, slightly smoky, and bright red in color. Thinly sliced pepperoni is a popular pizza topping in American pizzerias.
 
Newspapers.com
8 January 1953, Register-Star-News (Sandusky, IL), pg. 23, col. 8 ad:
PEPPERONI PIZZA PIE
39c each
(Wally’s Food Town.—ed.)
 
Newspapers.com
23 June 1953, The Progress (Clearfield, PA), pg. 10, col. 1 ad:
Try our delicious pizza pie—pepperoni or cheese style every day except Sunday. (...) THE HY-AN-LO, Weaverhurst
 
Newspapers.com
21 November 1954, The State Journal (Lansing, MI), “The Woman Is the Weaker Vessel, You Know” by Knight D. McKesson, pg. 21, col. 4:
“You know Bud just adores pepperoni pizza.”
 
Newspapers.com
18 February 1955, Logansport (IN) Pharos-Tribune, pg. 8, col. 5 ad:
DONATO PIZZARIA
(...)
Pizza with Pepperoni
 
Newspapers.com
11 September 1955, Los Angeles (CA) Times, pt. 8, pg. 2, col. 7 ad:
TIMPONE’S PIZZA HOUSE
9524 1/2 E. FIRESTONE BLVD.
Downey, Calif.
(...)
PEPPERONI PIZZAS
 
6 September 1957, Beaumont (TX) Journal, pg. 4, col. 2:
PIE-EATING CHAMP
ZANESVILLE, Ohio (AP)—A 240-pound retired glass worker polished off five 14-inch pepperoni pizzas yesterday to win the pizza pie eating championship of southeastern Ohio.
 
OCLC WorldCat record
Pepperoni pizzas all round at the White House
Author: Ben Macintyre; Times Newspapers Limited
Edition/Format: Article Article
Publication: The Times, (December 9 2000)
 
OCLC WorldCat record
Pepperoni pizza can be murder
Author: Chris Cavender
Publisher: New York : Kensington ; Godalming : Melia [distributor], 2011.
Series: A pizza lovers mystery!
Edition/Format:   Print book : Fiction : English
Summary:
After the body of her delivery driver’s brother ends up on the floor of her pizzeria, Eleanor Swift enlists the help of her sister Maddy in searching for the real killer, all while trying to keep her pizza business afloat.