If you were to set your half-sheet cake on a scale ... Costco keeps its bakery section full of ready-made sheet cakes, some plain, some with birthday messages, and—around the holidays—some ...

Costco's half-sheet cakes are available in vanilla or chocolate and can be custom-decorated by the store's bakery staff for ...

but you can also use a half sheet pan if you’d rather–just reduce the baking time by about 15 minutes. A quick marshmallow frosting is piled on top of the cake before serving. All it needs is ...