Birria is traditionally made with goat meat, which is considered the most authentic choice, especially in its region of origin, Jalisco, Mexico. However, birria can also be made with lamb or beef. In the United States and other places where goat is less accessible, beef-particularly cuts like chuck roast, short ribs, beef shank, or beef cheeks-is commonly used. These cuts are favored because they have enough fat and connective tissue to become tender and flavorful after slow cooking. Lamb shoulder is another alternative sometimes used. The choice of meat can vary regionally and based on availability, but goat remains the traditional standard