When I unboxed the ChefCubii oven from FOTILE(opens in a new tab), I was reminded of the otherworldly microwave in Robert Rodriguez’s film Spy Kids. That’s because this is a remarkably versatile and cool appliance with more than 40 preset cooking options — from air frying to baking to steaming and dehydrating. My roommate and I tested the ChefCubii over the course of a few weeks, and it soon became a staple in our apartment.  We concluded that for those in need of convenience, interested in culinary experimentation, or operating in tight kitchen corridors (perhaps without an oven or stove), this is a worthwhile purchase. But if you already have…