What is what part of the chicken is mollejas?

Mollejas are a type of offal or organ meat that comes from the throat or gullet of a chicken. They are often referred to as chicken sweetbreads and are considered a delicacy in many cuisines around the world. Mollejas have a tender, delicate texture and a slightly sweet, savory flavor. They can be grilled, fried, or braised and are often used in dishes such as tacos, stews, and salads.