Costco's Special Order 10" Chocolate Cake is a custom-made round cake available for order through the Costco Bakery. The 10-inch round cake is made with chocolate cake layers, filled with rich chocolate mousse, and covered in a smooth chocolate frosting, making it a satisfying choice for chocolate lovers.

The cake serves approximately 16 people and can be personalized with custom text and a choice of seasonal designs including roses, balloons, candles, graduation caps, holiday themes, and more. Orders must be placed at the in-store bakery kiosk using the paper special order form, with at least 24 hours notice required. No online or app ordering is available.

Customization options include your choice of writing color and cake design. Costco's bakery staff can accommodate simple design adjustments such as specific frosting colors. The cake is available year-round, with additional seasonal and holiday designs offered at different times of the year.