Published January 16, 2026, 9:50 p.m. EST
New packages of 24 units are added to the current range, including blueberry muffins, butter croissants and chocolate chunk cookies. Costco has added a new treat to its bakery lineup with the launch of its Peanut Butter Monster Cookies.
“Peanut butter lovers, this one’s for you,” Costco wrote in a statement. Instagram post this week. “The new monster peanut butter cookies are at the Costco bakery!”
The 24-count packs contain cookies made from brown butter-flavored dough and filled with peanut butter candies, peanut butter chips, oats and chocolate pieces, according to Delight.
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A Costco store in Vallejo, California on May 29, 2025. (David Paul Morris/Bloomberg/Getty Images)
Buyers quickly took at Costco Instagram comments section to praise the new Peanut Butter Monster Cookies.
“They are the best!!!!” one user wrote.
“I can’t wait to try them!” » another added.
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A woman selects croissants from a Costco bakery aisle in Queens, New York. (Lindsey Nicholson/UCG/Universal Images Group / Getty Images)
“Yes,” a third user wrote, alongside a heart-eyed emoji. “I love peanut butter.”
Peanut Butter Monster Cookies add to Costco Bakery the current range, which includes its Blueberry and Cream Muffins, Butter Croissants, Chocolate Chunk Cookies, Cheesecakes, Danish Pastries and much more.
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Customers are seen waiting in line at a Costco store in Queens, New York. (Lindsey Nicholson/UCG/Universal Images Group / Getty Images)
The launch of new cookies comes as Costco Wholesale recently revealed a series of record sales during the holiday season.
THE the retailer said it sold about 4.5 million pies in the three days before Thanksgiving — about 7,000 pies per warehouse — during its first-quarter 2026 earnings call.
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Costco did not immediately respond to FOX Business’ request for comment.