Robert, the most common breakfast for Spanish people is a toast with oil extra-Virgen. with a few salts, and a good cup of coffee with milk. Robert el Desayuno más común en España, es una buena tostada con aceite Virgen extra, un poco de sal y un buen café con Leche.
We have, a lot of kind of oil, soft, virgin, and Virgen extra, and it depends of a kind os Aceituno, the taste is very different. We usually cook with oil, never with butter( mantequilla). Best regards.
Pn: And I recommended to taste all I oil, it's a sauce, for suck your fingers