They're fun to say...and to eat: Panuchos! The beloved dish of Mexico's Yucatan region is finally starting to catch on stateside - the San Francisco Chronicle's food editor is a big panucho lover, and the dish got a mention in USA Today this month. Picture a tostada, crossed with a taco... with a hidden surprise. Rico caught up with Gilberto Cetina, chef at the Yucatanian restaurant "Chichen Itza" in L.A., to dig into this under-sung import.