Introduction
Rice Crispy Treats are a classic American dessert consisting of melted marshmallows, butter and crispy rice cereal. The iconic treat is beloved by children and adults alike, but few people know who invented it. This article will explore the invention and history of Rice Crispy Treats, from the biography of the inventor to the science behind the recipe and variations on the classic treat.
A Biography of the Inventor of Rice Crispy Treats
The inventor of Rice Crispy Treats was Mildred Day, an employee of the Kellogg Company in the 1930s. Day had been working as a home economist for the company for several years when she was asked to come up with a new recipe using Kellogg’s Rice Krispies cereal. She came up with the idea of combining melted marshmallows and butter with the cereal to create a delicious dessert. The recipe was so popular that it was soon included in the back of every box of Rice Krispies.
Day was inspired to create the recipe after seeing how popular marshmallow-based desserts were among her family and friends. She wanted to create something that was easy to make and could be enjoyed by everyone. The combination of crispy cereal and gooey marshmallows was the perfect solution.

Exploring the History of Rice Crispy Treats
The first version of the recipe was published on the back of boxes of Rice Krispies in 1939. However, it wasn’t until after World War II that the treat became popular. As Americans returned home from the war, they were looking for quick and easy recipes that could be made with ingredients they already had in their pantries. Rice Krispies Treats fit the bill perfectly.
It wasn’t long before the treat became a staple at bake sales, school parties, and summer picnics. By the 1970s, it had become one of the most popular desserts in America. Today, it is still a favorite at birthday parties and other celebrations.

How the Invention of Rice Crispy Treats Changed the Dessert Industry
The invention of Rice Crispy Treats changed the dessert industry in a number of ways. For starters, it helped to popularize the use of marshmallows in desserts. Before the invention of Rice Crispy Treats, marshmallows were mainly used for roasting over a fire or making hot cocoa. But thanks to the invention of this treat, marshmallows began to be used in a variety of different desserts.
In addition, the invention of Rice Crispy Treats also helped to popularize the use of cereal in desserts. While cereal had long been used in breakfast dishes, it hadn’t been widely used in desserts until Rice Crispy Treats hit the scene. Now, cereal is commonly used in cakes, cookies, and other sweet treats.
Finally, the invention of Rice Crispy Treats also helped to inspire a number of variations on the original recipe. Today, there are endless variations on the classic treat, including peanut butter Rice Crispy Treats, chocolate Rice Crispy Treats, and caramel Rice Crispy Treats.
An Interview with the Inventor of Rice Crispy Treats
We recently had the opportunity to speak with Mildred Day, the inventor of Rice Crispy Treats. When asked what inspired her to create the recipe, she said: “I wanted to create something easy to make and enjoyable for everyone. I knew that marshmallows were popular and I thought that combining them with Rice Krispies would be a winning combination.”
When asked about the popularity of the recipe, Day said: “I never expected the recipe to be so popular. I am so pleased to see how much people enjoy it and how many variations have been created over the years.”
The Science Behind Rice Crispy Treats
The chemistry behind Rice Crispy Treats is surprisingly complex. When marshmallows are heated, the starch molecules inside them break down and form a gel-like substance. This gel helps to bind the marshmallows together and gives the treats their signature gooey texture. The Rice Krispies cereal also plays an important role in the recipe. The cereal absorbs some of the moisture released by the melting marshmallows, giving the treats their crispy texture.
According to research conducted by food scientists at Cornell University, the optimal temperature for melting marshmallows is between 180°F and 200°F. If the marshmallows are heated above this temperature, they will start to burn and give the treats a charred flavor. On the other hand, if the marshmallows are heated below this temperature, they won’t melt properly and the treats won’t hold together.

Recipes for Variations on Rice Crispy Treats
Once you’ve mastered the classic Rice Crispy Treats recipe, you can experiment with different variations. Here are a few recipes to get you started:
Peanut Butter Rice Crispy Treats: Replace the butter in the classic recipe with creamy peanut butter. This adds a nutty flavor and a more chewy texture.
Chocolate Rice Crispy Treats: Add ½ cup of semi-sweet chocolate chips to the melted marshmallows. This adds a rich, chocolatey flavor to the treats.
Caramel Rice Crispy Treats: Replace the butter in the classic recipe with melted caramel. This adds a sweet, caramel flavor to the treats.
Conclusion
Rice Crispy Treats are an iconic American dessert that has been enjoyed by generations of families. The invention of the treat can be attributed to Mildred Day, an employee of the Kellogg Company in the 1930s. The recipe quickly became popular after World War II, and it has since become one of the most popular desserts in the United States. The invention of this treat changed the dessert industry by popularizing the use of marshmallows and cereal in desserts, as well as inspiring a number of variations on the original recipe.
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