The in-store version is delicious, but it’s even better when it comes from your own oven. ' title='trader joe's carrot mini sheet cake in package'> Trader Joe's; Design: Better Homes & Gardens There are these tiny little cakes you can get from Trader Joe's that look as irresistible as they taste— as you pass by them while browsing the aisles, they're nearly impossible to pass up. They...