Annual observance

National Cheese Pizza Day

September 5 Food / Dessert Updated 2026-07-08

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Overview

National Cheese Pizza Day is an annual celebration observed on September 5th, dedicated to one of the world's most universally loved and iconic foods: the cheese pizza. This day honors the simple yet satisfying combination of crust, tomato sauce, and melted cheese, a foundational dish that serves as a canvas for countless variations but is perfectly delicious in its purest form. It's a day for pizza enthusiasts to enjoy the classic for its comforting flavor and widespread appeal.

Why it matters: National Cheese Pizza Day on September 5 celebrates the iconic cheese pizza, a dish that represents culinary simplicity and universal appeal. This holiday honors the foundational elements of crust, tomato sauce, and melted cheese, inviting food lovers to appreciate the comfort and versatility of this beloved classic.

Origin and story

Mozzarella is the most commonly used cheese on pizza, prized for its excellent melt, stretch, and mild flavor.

The modern pizza, with its familiar combination of dough, tomato, and cheese, is widely believed to have originated in Naples, Italy.

Quick facts

  • DateSeptember 5
  • TypeFood / Dessert
  • Great forFoodies, Chocolate lovers, Home bakers

Also on this date

Ways to celebrate

Mozzarella's famous stretch isn't a coincidence of flavor — food scientists have traced it to exactly how its proteins and trapped water behave under heat, and they tested six other cheeses just to prove it.

Have a slice

Celebrate by:

  • Getting an actual cheese pizza today instead of a specialty topping combination.
  • Comparing fresh mozzarella to the low-moisture shredded kind to notice the difference in melt.

See the science behind the stretch

Helpful resources:

Did you know?

Researchers who tested mozzarella against six other cheeses, including cheddar and gruyere, on real pizza crusts found mozzarella's exact balance of water, fat, and elastic protein produces the bubbly, stringy pull that no other cheese quite matches.

Fun facts

  • Mozzarella is the most commonly used cheese on pizza, prized for its excellent melt, stretch, and mild flavor.
  • The modern pizza, with its familiar combination of dough, tomato, and cheese, is widely believed to have originated in Naples, Italy.
  • Americans consume approximately 3 billion pizzas annually, with cheese pizza being a foundational and highly popular choice among them.

Sources and attribution

Scientists Figure Out Why Mozzarella Is the Perfect Pizza Cheese (Smithsonian Magazine)

External links may lead to third-party websites.


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FAQ

When is National Cheese Pizza Day?
It is observed on September 5 each year.
What is National Cheese Pizza Day?
National Cheese Pizza Day is an annual celebration observed on September 5th, dedicated to one of the world's most universally loved and iconic foods: the cheese pizza. This day honors the simple yet satisfying combination of crust, tomato sauce, and melted cheese, a foundational dish that serves as a canvas for countless variations but is perfectly delicious in its purest form. It's a day for pizza enthusiasts to enjoy the classic for its comforting flavor and widespread appeal.
How do people celebrate National Cheese Pizza Day?
Get a real cheese pizza and compare fresh mozzarella to shredded low-moisture mozzarella side-by-side.

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