Plot: Bobby Flay's tour through the "it" cuisine of the Iberian Peninsula starts by taking the classic Cuban Sandwich to Madrid with a Spanish Spice-Rubbed Pork Butt topped with Sherry Vinegar/Honey Glaze, Serrano ham and salty Manchego cheese. Then, a slather of Piquillo Pepper Butter and a sprinkle of Grated Manchego adorn sweet Grilled Corn