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| Product type | Confection |
|---|---|
| Owner | Kellanova |
| Country | United States |
| Introduced | 1939; 86 years ago (1939) |
| Related brands | Rice Krispies |
| Website | kelloggs.com/ricekrispies |
Rice Krispies Treats (also calledRice Krispie Treats,Marshmallow Treats,Marshmallow Squares, orRice Krispies Squares in the United Kingdom & Canada, andLCMs in Australia) are a confection commonly made through bindingWK Kellogg Co'sRice Krispies or another crisp rice cereal together with butter ormargarine andmarshmallow.[1] Though they are traditionally home-made, Kellogg's began to market the treats themselves in 1995. Rice Krispies Treats products are currently manufactured and marketed byKellanova.
Rice Krispies Treats were invented in 1939 byKellogg Company employees Malitta Jensen and Mildred Day "in the Kellogg kitchens in Battle Creek, Michigan as a promotional vehicle for the cereal."[2] Kellogg's began commercially to produce plain and chocolate-based treats under the trademark brand-names of "Rice Krispies Treats" (in the United States and Mexico), "Squares" (in Canada, the United Kingdom and Ireland) and "LCMs" (in Australia and New Zealand) in 1995; however, other manufacturers had offered similar products under variant names (such as "Crisped Rice Treats" or "Marshmallow Treats") prior to this. Kellogg's also offered a breakfast cereal based on the confection from the 1990s until their discontinuation in 2020.[3]
Kellogg's presented the recipe as "Rice Krispies Marshmallow Treats" in its newspaper ads--with its classic four ingredients (1/3 cup butter, 1/3 cup marshmallows, 1/2 teaspoon vanilla, one 5-1/2 ounce package of Rice Krispies)--as early as November 1940.[4][5] It had appeared even earlier in some supermarket advertisements.[6] The same recipe was used in Kellogg's national advertising in 1941, now named "Rice Krispies Marshmallow Squares."[7] By 1950, Kellogg's published the recipe only slightly changed (1/4 cup butter, 1/2 pound marshmallows, 1/2 teaspoon vanilla, 5 cups of Rice Krispies).[8] By 1955 Kellogg's advertised the confection as "Marshmallow Crispy Treats," listed margarine as alternative to the butter, and eliminated the vanilla (1/4 cup butter or margarine, 1/2 pound marshmallows, 5 cups of Rice Krispies).[9]
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