Costco Launches Mint Sundae to Rival McDonald's Shamrock Shake
Costco's Mint Sundae Rivals McDonald's Shamrock Shake

Costco Challenges McDonald's with New Mint Dessert Offering

Costco has made a bold move in the fast-food dessert market by launching a new item at its food court that directly competes with McDonald's iconic seasonal Shamrock Shake. The bulk grocery store's latest addition, a $3 Double Chocolate Mint Sundae, is designed to attract customers seeking a minty treat ahead of St. Patrick's Day.

Details of the New Food Court Item

The dessert consists of soft-serve mint ice cream layered with cookie crumbles and chocolate sauce, offering a rich and indulgent experience. According to reports from Food & Wine, the item was added to Costco's menu earlier this week, and it has already generated significant buzz on social media platforms.

Costco influencers, such as @Costcobuys, have shared Reels introducing followers to the sundae, sparking enthusiastic responses in the comments section. One user praised it as "truly amazing" after enjoying it as a post-marathon treat, while another highlighted the "perfect cookie crumble bits" and top-notch quality. A third commenter shared that they and their daughter found it "amazing" after trying it together.

Wide Pickt banner — collaborative shopping lists app for Telegram, phone mockup with grocery list

Customization and Flavor Options

For those who prefer a simpler option, Costco also offers the mint-flavored soft-serve ice cream on its own for $2 or allows customers to swirl it with vanilla soft-serve. This flexibility caters to varying tastes, though the chocolate flavor, previously available at the food court, has been temporarily replaced by the mint soft-serve. Costco has a history of rotating flavors, having offered strawberry soft-serve in 2024, indicating a dynamic approach to its menu offerings.

Comparison with McDonald's Seasonal Offerings

The launch coincides with the return of McDonald's fan-favorite Shamrock Shake and Oreo Shamrock McFlurry, both mint-flavored desserts that have become staples during the March season. McDonald's describes its shake as creamy vanilla soft serve blended with minty Shamrock Shake syrup and topped with whipped light cream. The Oreo version, which adds cookie pieces, bears a closer resemblance to Costco's new sundae, setting up a direct rivalry between the two chains.

Context of Costco's Broader Changes

This new menu item emerges as Costco is implementing stricter return policies, requiring extra proof of purchase and monitoring return frequencies in response to customer abuse, such as returning Christmas trees after the holiday season. While many retailers use lenient return policies to attract customers, fraudulent returns have led to significant financial losses, prompting Costco to tighten its procedures.

Overall, Costco's introduction of the Double Chocolate Mint Sundae represents a strategic effort to capitalize on seasonal trends and compete with established fast-food giants, while also navigating broader operational challenges in retail management.

Pickt after-article banner — collaborative shopping lists app with family illustration