Annual observance

String Cheese Day

September 20 Food / Dessert Updated 2026-07-10

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Overview

String Cheese Day, observed annually on September 20th, celebrates the beloved and versatile snack known for its distinctive peelable strings. Often made from low-moisture mozzarella, string cheese is a favorite for its mild flavor, convenient individual packaging, and fun, interactive eating experience, making it a staple in lunchboxes and a popular go-to for a quick, wholesome bite.

Why it matters: String Cheese Day, celebrated on September 20, honors a snack that combines convenience and playful enjoyment, making it a favorite among foodies and families alike. Its unique texture, achieved through the traditional *pasta filata* method, highlights the artistry of cheese-making while appealing to those seeking quick and wholesome bites.

Origin and story

String cheese gets its unique 'stringy' texture from the *pasta filata* (spun paste) method, where cheese curds are heated and stretched.

The proteins in string cheese align in parallel fibers during the stretching process, allowing them to pull apart easily into strings.

Quick facts

  • DateSeptember 20
  • TypeFood / Dessert
  • Great forFoodies, Chocolate lovers, Home bakers

Also on this date

Ways to celebrate

The peelable strings aren't a texture trick — they're a direct result of how the protein inside is physically organized. During manufacturing, mozzarella curd is heated and stretched repeatedly in a single direction, which lines up its casein protein fibers in parallel; a block of fresh mozzarella skips that directional stretch, which is exactly why it doesn't peel into strings the way string cheese does.

Peel it properly

  • Pull a strand from the side of the stick, following the direction of the fibers, rather than biting straight through — that's the direction the cheese was stretched during manufacturing.

Read the food science behind it

Helpful resources: Organic Valley explains the protein-alignment process behind the peel in "What Makes String Cheese Stringy?"

Compare it to its cousins

  • Put a stick of string cheese next to a ball of fresh mozzarella and a block of low-moisture mozzarella to feel how differently each one behaves when pulled apart.

Did you know?

The stretching technique behind string cheese, called "pasta filata," is the same Italian method used to make fresh mozzarella and provolone — string cheese is really just mozzarella given one extra manufacturing step to align its fibers for peeling.

Fun facts

  • String cheese gets its unique 'stringy' texture from the *pasta filata* (spun paste) method, where cheese curds are heated and stretched.
  • The proteins in string cheese align in parallel fibers during the stretching process, allowing them to pull apart easily into strings.
  • While various origins exist, modern string cheese was significantly popularized in the United States as a convenient, individually wrapped snack in the 1970s.

Sources and attribution

External links may lead to third-party websites.


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FAQ

When is String Cheese Day?
It is observed on September 20 each year.
What is String Cheese Day?
String Cheese Day, observed annually on September 20th, celebrates the beloved and versatile snack known for its distinctive peelable strings. Often made from low-moisture mozzarella, string cheese is a favorite for its mild flavor, convenient individual packaging, and fun, interactive eating experience, making it a staple in lunchboxes and a popular go-to for a quick, wholesome bite.
How do people celebrate String Cheese Day?
Peel a stick following the direction of its fibers, compare it to fresh and block mozzarella, and read up on the 'pasta filata' stretching process that aligns the cheese's proteins so it peels into strings.

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