Event Brief
Costco Unveils New Mint Dessert to Compete with Shamrock Shake
Filed: Feb 24, 2026 at 9:00 AM ET
Summary: Costco introduces a $2.99 mint ice cream treat to its Knoxville food court, aiming to rival McDonald's popular Shamrock Shake.
WHO: Costco
WHAT: Introduced a new mint ice cream dessert
WHEN: Feb 24, 2026 at 7:30 AM ET
WHERE: Knoxville, TN
WHY: To compete with McDonald's Shamrock Shake and attract customers
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