13 Sweetest Costco Treats Worth Splurging on Right Now

These tasty treats let you indulge your sweet tooth without breaking your grocery budget.

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Updated June 6, 2024
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Costco might be most famous for its $5 rotisserie chicken and $1.50 hot-dog-and-soda combo, but Costco’s sweet treats are just as delicious and affordable as its savory staples.

If you’ve been craving a new indulgence while you still save money shopping, one of the Costco treats on this list may be exactly what you’re looking for.

Editor's note: Prices and availability are subject to change and may vary by location.

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Sugar Bowl Bakery Brownie Bites

Courtesy of Costco Brownie Bites Costco

When you’re craving a smaller-than-cake-sized chocolate dessert, Costco’s brownie bites have you covered.

A 32-count package costs just $8.99 and gives you enough beautifully bite-sized brownies to satisfy your sweet tooth for days (or at least a few hours — we won’t judge).

David's Cookies 10" Rainbow Cake

Courtesy of David's Cookies Davids rainbow cake

Whether you’re hosting a birthday party or a workplace celebration, you need a dessert that takes the cake—and this vibrant nine-inch rainbow cake from Costco fits the bill.

For $62.99, you can feed 12 people who will go crazy for the white vanilla-flavored frosting that hides the cake’s five vivid layers of bright red, yellow, orange, green, and blue, making this sweet treat a feast for the eyes as well.

The Dark Chocolate Bakery’s 8" 3-Layer Chocolate Fudge Cake

Courtesy of Costco dark chocolate cake

Not a fan of plain vanilla frosting? This decadent dark chocolate cake layered with rich ganache might suit you better.

For $159.99, you can order this delight for a special occasion and serve 16 to 22 people with it.

If anyone in your life still turns down dark chocolate in favor of milk, this cake’s three layers and thick fudge frosting should convince them to switch to dark chocolate for good.

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Mary Macleod's Gluten-Free Shortbread Cookies

Courtesy of Costco Mary Macleods shortbread cookie

When you or your family members eat gluten-free, you know how easy it is to be left out of a food-centric celebration.

The next time you’re hosting a get-together, make sure everyone is included by offering options like these assorted gluten-free shortbread cookies sold for $49.99.

Costco’s supersized deals get you eight boxes of six cookies, each with an assortment of classic chocolate chunks and straight-up chocolate cookies.

Tootie Pie 11" Heavenly Chocolate Pie

Courtesy of Costco Tootie chocolate pie Costco

If you believe pie shouldn’t require fruit, this heavenly chocolate pie two-pack costs $89.99.

The smooth chocolate filling contrasts nicely with the pie’s perfectly flaky crust, but the pie isn’t so rich that you have to stop eating halfway through your slice.

David's Cookies No-Sugar-Added Cheesecake and Marble Truffle Cake

Courtesy of Costco Cookie cheesecake Costco

Who says a dessert has to be crammed with sugar to impress? Not in the case of David’s Cookies cheesecake and marble truffle cake.

The two cakes that come with this $59.99 purchase are both flourless and don’t have any added sugar.

With one plain cheesecake and one creamy chocolate-and-cheesecake confection, you’ll have an easier time catering to your guests’ diverse dessert tastes.

Ferrara's Bakery Cannolis

Courtesy of Costco Ferraras bakery cannolis Costco

If Italian desserts with the perfect sugar-to-sweet-cream ratio are your kind of dessert, try a cannoli from the famous bakery in Little Italy that introduced the treat to the U.S.

The Ferrara’s Bakery frozen 24-pack includes 12 plain cannolis and 12 Belgian chocolate in large size, which might justify the price of $109.99. These dipped cannolis are sure to satisfy any chocolate lover.

Kirkland Signature Chocolate Chunk Cookies

Courtesy of Costco Costco chocolate cookie

Kirkland Signature is Costco’s in-house brand, and if you haven’t tried its chocolate chunk cookies, you’re missing out.

With a package of frozen cookie dough, you can present your guests with a dessert fresh from the oven that doesn’t require any kitchen time on your part.

Even better, one package costs $30.99 and makes 120 cookies — a win for anyone who always has to double (or triple) their favorite recipes to get more than a basic dozen cookies.

Ferrara's Bakery Rainbow Cookies 1.5 lb

Courtesy of Costco Ferrara's bakery rainbow cookies

For a treat somewhere between a hearty slice of cake and a delicate macaron, try Costco’s Italian-style cake bites.

Costco is selling 1.5lb of these tricolor rainbow cookies chocolate for $34.99. 

Each cake slice is precut, which makes distributing desserts at the office party much easier.

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St. Michel Madeleine Classic French Sponge Cake

Courtesy of Costco Costco french cake

Madeleines are bite-sized, seashell-shaped, almond-flavored sponge cakes. As a traditional French dessert, madeleines don’t overwhelm you with sugar but still manage to satisfy your after-dinner craving for something sweet.

With Costco’s 100-count pack of individually wrapped cakes, sharing is simpler than ever, as is savoring your favorite treats for as long as you can make a box last.

The listed price is $44.99, but Costco has a sale valid from 3/25/24 through 4/21/24. This sale gives you $35.00 off, bringing the total to $29.99. That's less than 30 cents per madeleine. 

A’cappella Knotty Grahams Ensemble

Courtesy of Costco Costco knotty grahams

Don’t let your eyes deceive you: These twisted knots might be shaped like pretzels, but they are actually graham crackers dipped in melt-in-your-mouth chocolate.

A pack of eight A’cappella grahams from Costco includes four chocolate flavors: chocolate peanut butter, cinnamon churro, cookies and cream, and salted dark chocolate, all for $42.99.

Austin Cake Ball Catering Assortment

Courtesy of Costco Cake balls from Austin Cake Ball at Costco

For a treat somewhere between a hearty slice of cake and a poppable pick-me-up, try this assortment of cake balls made by a Texas-based cake shop for $89.99.

The price may seem high, but this beautiful pack comes with 48 cake balls, including red velvet, salted caramel, birthday cake, and Oreo flavors.

Each cake ball sits in an individual casing, which makes distributing desserts at the office party much easier (and more hygienic).

David’s Cookies Mile High Peanut Butter Cake

Courtesy of Costco David’s Cookies Mile High Peanut Butter Cake

Costco says this heavenly combination of peanut butter and chocolate is their top-selling cake. We believe it.

Pile chocolate cake, peanut butter mousse, peanut butter cups, brownie chunks, and a fudge drizzle onto a brownie base. That's the Mile High Peanut Butter Cake — all 6.8 pounds of it costs just $56.99. 

Bottom line

dennizn/Adobe costco receipt and executive membership card

Costco already helps its members cut grocery costs with nearly every product, and these scrumptious snacks are no exception.

While we only listed 13 treats, you’re sure to find more the next time you swing by your friendly neighborhood Costco.

Since Costco’s stock can vary from store to store, grab your best Costco credit card and stay on top of your nearest warehouse’s sales to find your next go-to guilty pleasure.

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Author Details

Michelle Smith

Michelle Smith has spent a decade writing for and about small businesses. She specializes in all things finance and has written for publications like G2 and SmallBizDaily. When she's not writing for work at her desk, you can usually find her writing for pleasure near large bodies of water.