Strain the dough and cut into a rectangle, put in oven in a tray with waxed paper and bake 180 ° until golden.
While in a frying pan we very softly chop the onion with olive oil, when this very pochada incorporate a jet of balsamic vinegar, salt, pepper and spoonful of brown sugar. We let it caramelize.
At the time of emplatar put in the base of pizza the cabrales sauce, followed by caramelized onion and we finished with the hazelnuts and rucula.