Five Worst New Food Trends: Rock slime as food? Fake smoke? Optional tipping? While it’s hard to believe, these are all taking place in the food world right now. Time Magazine’s Ideas blog has a round-up of these and other trends they’d like to see get thrown down the garbage disposal in 2013. We whole-heartedly agree. If you ever catch us cooking up moss-infused dishes here at the Test Kitchen, give us a good whack with a frying pan.