Forget pumpkin pie — Costco’s bakery case has a new fall MVP, and shoppers are apparently sprinting for it. The Kirkland Signature Pumpkin Bar Cake has landed in warehouses nationwide, and it’s already got the “swarm the bakery aisle” energy we usually only see around the holidays. Six layers, one giant slab of pumpkin-spice everything, and a price tag that makes it an easy impulse buy — this cake is having a moment, and honestly, it deserves it.
What’s Actually In This Thing?
The Kirkland Signature Pumpkin Bar Cake (item #2067640) rings up around $16.99 and weighs in at a hefty 2.5 pounds — this is not a “grab one slice and go” situation. It’s built with three layers of moist pumpkin-spice sponge cake stacked with fluffy pumpkin mousse filling, topped with a swoop of frosting and finished with white chocolate curls. Do the math and you’re looking at roughly 20 slices for under a dollar each, which is a genuinely great deal for a bakery cake this size. It’s the latest in Costco’s parade of fall bakery drops, following right behind the wildest fall finds already crowding shelves this month, and the bakery team clearly isn’t slowing down on the pumpkin train anytime soon.
“The cake is SO moist!! 10/10 this cake screams fall,” one reviewer wrote after trying it — and shoppers online seem to agree it’s not just another basic bakery cake riding the pumpkin spice wave.
Shoppers Are Losing It Over This One
This isn’t a quiet little bakery release — people are genuinely rearranging warehouse trips around it. Comments flooding in online range from “I’m not gonna be able to say no to this” to “Wait a minute I need this now” to the simple, all-caps enthusiasm of “ITS PUMPKIN SPICE SEASONNNNN.” One commenter even suggested pairing a slice with a pumpkin spice latte, which, frankly, sounds like the ultimate fall Costco run. It follows the same script as other bakery hits this year, like the Twice Baked Cinnamon Croissants that broke the internet a few weeks back — Costco’s bakery team has figured out a formula, and this cake fits it perfectly.
Should You Rush the Bakery Case This Week?
Yes — and don’t wait until next weekend to make the trip. This is a seasonal item, meaning it’s here for a limited window before it disappears until next fall, and availability already varies by location depending on how fast individual warehouses are selling through their stock. If you want to stretch it out, the pros recommend slicing the whole cake up and freezing individual pieces in freezer-safe containers, so you can pull out a slice of fall whenever the craving hits, even after the seasonal window closes. And while you’re there, it’s worth checking whether your card is even getting you the most out of your trip — plenty of shoppers are still missing out on membership perks they forget to use every single visit.
At under a dollar a slice for a bakery cake this size, the Pumpkin Bar Cake is exactly the kind of viral find that actually earns the hype. Grab one before your local Kirkland Bakery case sells out — and maybe grab a second one for the freezer while you’re at it.
Have you tried the Kirkland Pumpkin Bar Cake yet? Let us know what you thought in the comments, and keep checking back — we’re tracking every new Costco bakery drop all fall long.
Photo credits: Image 1 — Mashed. Image 2 — The Takeout.
