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.
A Taste of Spain: Spanish Piquillo Peppers. Their name means little beaks and it's easy to see why. This diminutive and sharply-tapered variety of chili pepper is one of the stars of the Spanish table. Have you ever tried them? These peppers are simultaneously sweet, spicy, and smoky thanks to some time spent over wood fires after harvesting.