Attempting to tackle the cuisines of Mexico and farther south all the way to Argentina, seems like a risky undertaking because there are so many ingredients and cooking techniques present in the Central and South Americas. But in tackling so much, veteran chef Stephan Pyles accomplishes the impossible, offering consistently executed dishes across a vast menu that offers almost endless exploration. Where else in the Dallas area can you find a causa limoña, a potato and shrimp terrine that hides a softly cooked quail egg? Where else can you try a fish that looks like Bob Marley — dreadlocks and all?