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Costco's 6-Pound Peanut Butter Cake Crushes Every Sweet Tooth Craving By Javaria Akbar Oct. 5, 2025 2:39 pm EST

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Delirious about desserts? Costco's bakery department is a great place to grab your fill. For instance, the best Costco dessert to snag when you need some comfort food is the Kirkland Signature apple berry pie due to its balance of sweet and tart flavors. However, if you've got a giant sweet tooth and are looking for a dessert that's as saccharine as it gets, you need a slice of Costco's 6-pound peanut butter cake. This chocolatey behemoth is guaranteed to crush every one of your sugary cravings and is definitely one of those Costco food items you'll wish you knew about sooner .

This tall Costco dessert

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