Eveba sardinas al escabeche, a dish of sardines preserved in a sauce of vinegar, oil, and other flavorful ingredients.
 
Escabeche is a traditional, natural, and additive-free method of food preservation. It involves marinating and cooking food in a base of oil and vinegar, and sometimes wine, along with other ingredients like spices, herbs, and vegetables. The food is then stored in glass jars or cans. The escabeche technique originated in Persia and Arab countries.