It's a little confusing, but oh, so worth it.

"Buying immediately." ...

In May, a tweet shed light on Costco's cake-ordering process, which some people called outdated. You can't call to order — you must write your order on a form and physically slip it into a box.

Add Yahoo as a preferred source to see more of our stories on Google. Grocery store sheet cakes can often get a bad rap, but the ones available at the big box store aren't your average offerings. Once ...