Fish oil is the fat or oil that's extracted from fish tissue. It usually comes from oily fish such as herring, tuna, anchovies and mackerel. Yet sometimes it's produced from the livers of other fish, as is the case with cod liver oil.
A piquillo pepper is a type of small red chili pepper with a shape similar to a triangle that is grown in Spain. It has a flavor that is slightly sweet and spicy, but it is not a truly hot pepper.
The word 'pisco' derives from the Quecha term for little birds. Pisco is a popular liquor in South America, particularly in Bolivia, Chile and Peru. Pisco is a type of Latin American brandy. The Serena Libre is made from pisco and papaya juice.