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Food Trends

Kellogg’s explains why unfrosted Pop Tarts have more calories than frosted counterparts

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Frosted Pop Tarts are less caloric than their unfrosted counterparts. (AP File Photo)

You may be surprised to learn that unfrosted Pop Tarts actually contain more calories than ones with frosting.

According to the nutrition label, most frosted Pop Tarts have about 200 calories per pasty while the average unfrosted hover around 210 per serving.

In 2009, that fact shocked Spencer Gaffney, then a sophomore at Princeton University who posted a blog about the curious nutrition facts. While browsing different Pop Tart options in the store, the student says he and friends uncovered the mystery. 

"Naturally, we wanted to see how much worse the frosting was for us,” Gaffney wrote. 

“And that’s when things got weird. Because the Strawberry Frosted Pop-Tarts were a full 10 calories less per serving than their unfrosted cousins.We thought we had to be misreading the box. Surely, frosting couldn’t count for negative calories! Could it?”

Questions about it Kellogg’s went unreturned for years. But about a year ago when the post went viral on Reddit. 

In July, Quartz decided to contact a rep at the food giant and got this answer. 

“Unfrosted Pop-Tarts have a slightly thicker crust to compensate for the lack of frosting, resulting in a few more calories per serving,” a Kellogg’s representative confirmed to Quartz via email.

To compensate for the absence of frosting but maintain a similar serving size, the representative says the unfrosted pastry is different in several ways, including “the overall composition of the food, including weight, breakability, toastabilty.”

Now the mystery of frosted versus unfrosted Pop Tarts has finally been solved.