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.
Also called Chinese grapefruit, shaddock, pumelo, pommelo, and pompelmous. The pomelo is an exotic large citrus fruit that is an ancient ancestor of the common grapefruit. It is the largest of the citrus fruits with a shape that can be fairly round or slightly pointed at one end (the fruit ranges from nearly round to oblate or pear-shaped).