I got a saladacco, or spiral slicer, the other day and used it tonight for the first time. The cheap ones were not well reviewed, so I sprung for the $60 version and it worked like a charm. Half a sweet potato, peeled, then spun through the gadget using the middle blade yielded a nice bowl of orange curls. Tossed with scallions, half a jalapeño, and a dressing of peanut butter, flax and sesame oils,…