It began with a sundae. On April 10, 2026, the Instagram account @costcohotfinds — an unaffiliated Costco shopping community account with hundreds of thousands of devoted followers — announced that Costco's new Caramel Churro Sundae was officially available at locations nationwide. The response was immediate, passionate, and entirely disproportionate to the nature of the news: a $2.99 ice cream dessert topped with mini churro bites, salted caramel drizzle, and soft serve in v