Forget Machu Picchu. Ceviche, tiradito and gourmet roast guinea pig are the real reasons to visit Peru, tastemakers are saying this month. In an interview with Guest of a Guest, restauranteur Todd English let it slip that he predicts Peruvian Food Is the Next Big Thing, and foodies are rushing to weigh in on his opinion.  The new “Bon Appetit” blog agrees with English, reports Grub Street, with chef Gaston Acurio seen as a leading light in the Peruvian culinary movement.  The Grinder notes that some traditional Peruvian fare (lomo saltado, roasted cuy) may be too ordinary to rate as a trend, as some blog commenters have pointed out, but innovative chefs like Acurio may have…