Princess Leonor, the successor to the Spanish throne, is already familiar with the flavours of wrinkled potatoes and grilled cheese, which are two of the most traditional dishes of Canarian cuisine. This past Friday, following her arrival in Tenerife aboard the Spanish Navy training ship Juan Sebastián de Elcano and a stroll through the capital, Santa Cruz de Tenerife, she paused for a snack at a quaint bar located on Callejón del Combate.