Lima is one of the world’s great cities to eat and drink in—and for years I looked forward to making my way through its pisco bars and celebrated headliners (like Central, which earned first place on the “World’s 50 Best Restaurants” list last year). To my dismay, on my recent scouting trip to Peru, I found myself with just one full day in the capital—a scenario many travelers encounter when attempting to also cover the Sacred Valley and Machu Picchu with a shorter itinerary (typically, we recom...