NYT Cooking: Variations of this hearty fried egg-and-potato dish can be found throughout Spain, including the Canary Islands, where it’s said to have originated. There’s always a runny egg, but whether it sits atop fried potato rounds, French fries or crunchy chips varies by region and personal preference. The potatoes are often served with chorizo sausage or Serrano ham, but in this vegetarian version, smo...
