This week’s recipe was very much a learning experience. Some important lessons: Whole Foods doesn’t sell regular shortening. So I had to get some weird coconut and palm oil variety. Pro: it was yellow. You can melt shortening. As a former science teacher, this shouldn’t have been as surprising to me as it was. Orange zest has a tendency to stick to the attachment of your stand mixer like hair instead of incorporating into the batter. Even if you fully submerge and douse a cookie in powdered sugar, after it bakes it will still look like you did no such …