Don't expect an invite, but all members are invited to grab a slice

Like all great offerings within the walls of Costco, you'll need a membership card to join this celebration. However, once you're in, you can look forward to a cake reminiscent of the sheet cakes that Costco's bakery regularly provides. The bakery is beloved for its delicious treats and its charmingly outdated cake ordering process, which relies on a pen-and-paper system rather than digital options. Choices are limited to classic vanilla or chocolate, paired with your choice of buttercream frosting.
For this particular event, expect everything to be extra large. Special anniversary cakes for the store often break away from the usual selections, with bakers going all out to craft cakes shaped like the iconic big box store itself. Rumor has it that Costco doesn't frequently announce these anniversary celebrations, so you might just have to be fortunate enough to wander down the aisle and snag a slice if you happen to be in a store during the festivities.
In addition to celebrating its store anniversaries, Costco also honors its employees, who can earn various forms of recognition, including bonuses and badges, when they reach certain milestone anniversaries. Planning to celebrate your own anniversary or special occasion? Costco can help with that too, offering custom sheet cakes for your memorable day.
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