Of over 1,800 eating establishments, Andina is ranked #1 restaurant in Portland by Trip Advisor.  Went there for lunch today.  Did the Empanadas Caseras de Carne for an appetizer: Flaky pastry filled with slow-cooked beef, raisins, and Botija olives.  Had the Lomo Saltado as an entrée: Wok-fried Cascade Natural beef tenders with onions, tomatoes, soy…