Omelette Day of Fuenlabrada Activity · Fuenlabrada, Área Metropolitana, Madrid Image of Fuenlabrada, not of the place itself. Every 9 March recalls the old eighteen-kilometre pilgrimage to Cubas de la Sagra to venerate Santa Juana, on which walkers would stop at the spot known as Valdeserrano; that roadside meal is the origin of today's potato omelette festival. Photo: Michiel1972 (CC BY-SA 3.0) What to see and do in Fuenlabrada