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National Rice Krispie Treat Day

September 18 Food / Dessert Updated 2025-12-18

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Overview

National Rice Krispie Treat Day, observed annually on September 18th, is a sweet celebration dedicated to the iconic no-bake dessert. This simple yet beloved confection is made from just three main ingredients: Rice Krispies cereal, melted marshmallows, and butter, creating a deliciously chewy and crispy treat enjoyed by generations for its ease of preparation and nostalgic appeal.

Observed each year on September 18, National Rice Krispie Treat Day invites people to pause, share the story, and bring a little themed joy to their day.

Why it matters: National Rice Krispie Treat Day on September 18 celebrates the nostalgic charm of a beloved dessert that has delighted generations with its simplicity and deliciousness. This day honors the creativity behind its invention in 1939, reminding us of the joy found in easy, homemade treats that bring people together.

Origin and story

The treats were invented in 1939 by Mildred Day and Malitta Jensen at the Kellogg Company's home economics department.

They were originally created as a fundraiser for the Camp Fire Girls.

Quick facts

  • DateSeptember 18
  • TypeFood / Dessert
  • Great forFoodies, Chocolate lovers, Home bakers

Also on this date

Ways to celebrate

  • Pair music, snacks, or décor that match the theme and enjoy a small break.
  • Plan a 10-minute activity that fits the food / dessert vibe and make it a mini tradition.
  • Host a tasting plate with sweet and savory pairings.
  • Share a recipe photo, tag friends, and swap your favorite topping ideas.
  • Try a playful twist: cover non-traditional foods in chocolate or sauces inspired by National Rice Krispie Treat Day.

Fun facts

  • The treats were invented in 1939 by Mildred Day and Malitta Jensen at the Kellogg Company's home economics department.
  • They were originally created as a fundraiser for the Camp Fire Girls.
  • In 2010, the world's largest Rice Krispie Treat, weighing 10,600 pounds, was made by the Michigan State University Kellogg Center.

Sources and attribution

Source not provided.

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FAQ

When is National Rice Krispie Treat Day?
It is observed on September 18 each year.
What is National Rice Krispie Treat Day?
National Rice Krispie Treat Day, observed annually on September 18th, is a sweet celebration dedicated to the iconic no-bake dessert. This simple yet beloved confection is made from just three main ingredients: Rice Krispies cereal, melted marshmallows, and butter, creating a deliciously chewy and crispy treat enjoyed by generations for its ease of preparation and nostalgic appeal.
How do people celebrate National Rice Krispie Treat Day?
Pair music, snacks, or décor that match the theme and enjoy a small break.

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