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Costco Added A New Bakery Item And Customers Say It's 'Dangerously Good': 'I Could Eat An Entire Container'

July 24, 2025 by Abigail Connolly
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Costco customers can agree that one of the best parts of shopping at their massive store location is their bakery section, which is always churning out delicious treats, like one of their newest cookies that has the internet buzzing.

The mega-retailler’s Kirkland bakery brand recently released Marshmallow Crispy Cookies that are a new summer treat shoppers are going crazy over. Not only do they offer a fun twist on a classic sugary cookie, but they also incorporate some summertime flavors with the fresh chunks of marshmallow. Once they were released a few weeks ago, Costco customers quickly began raving about them online, noting that they’re a “dangerously good” dessert. Read more about the viral Costco sweet treat below.

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Costco Releases New Marshmallow Crispy Cookies

Costco introduced the Kirkland Signature Marshmallow Crispy Cookies earlier this month, and they've already gone viral for good reason. They come in a 24-count container and are sold in the bakery section of Costco stores.

 

They're currently available in most Costco stores nationwide for about $9-$11 a box, though prices can vary in different regions. Overall, it's a great deal for a crispy and tasty snack or dessert. You can always expect to find classic cookie and dessert flavors via the Costco bakery section; however, this cookie offers a little twist on the classics.

 

Seemingly inspired by nostalgic Rice Krispies treats, these cookies are a clever hybrid of classic sugar cookie, s'mores, and breakfast cereal, all baked together with gooey marshmallow bits. The combination of buttery dough, crispy rice for texture, and chew from the marshmallows makes these a special new addition to Costco's bakery aisle, and that's reflected through the raving customer reviews being posted to social media.

Customers Say The New Marshmallow Crispy Cookies Are 'Out Of This World'

Once the new cookie flavors from Costco hit store shelves nationwide, members and frequent shoppers immediately fell in love with them, posting about them on social media and stocking up on them for the summer.

 

Like most new items that are sold at Costco, several different influencers and social media account owners began posting about them, which sparked conversations between other shoppers about how good they are.

 

Laura Jayne Lamb, who runs an Instagram page dedicated to Costco content, made a viral video about the Rice Krispie-adjacent cookies, writing that they were "absolute perfection," with a texture that was "chewy with a little crunch" and tasted "out of this world." Fans and followers quickly flooded her comments section, sharing similar sentiments about the viral dessert.

 

"I could eat the entire container," admitted a follower and Costco shopper.

 

"I'm going tomorrow," added another follower who was ready to buy the new cookies. "I need them NOW!"

 

After one fan wrote that the cookies looked "dangerously good," another said they were "not too sweet" and tasted like a "butter cookie."

 

"These are the best," wrote another.

 

If you're looking for a new treat to stock up on for the rest of the summer, you're going to want to try these buzzworthy, crunchy cookies that fans are loving and adding to their carts. They're great for a late-night sweet treat, back-to-school snack, or simply an indulgent item to make your day a little better. Would you give them a try?

Author:

Editorial Assistant

Abigail is a journalist based in Brooklyn, New York. As an Editorial Assistant for SheFinds, she covers topics ranging from celebrity news and fashion to wellness. She has written for other publications, including Chip Chick, Bandsintown, BroadwayWorld, and more. When she isn't writing, Abigail loves spending time in the city with her friends, being a 'dog mom' to her Chihuahua, and singing along to some of her favorite music.

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