Oven-baked buttermilk chicken is a traditional recipe very popular in several regions of Latin America, especially in Mexico and Central America, where chicken preparations with dairy are well-received for their juicy flavor and soft texture. Although in some countries like Colombia or Peru this dish may be known simply as "chicken marinated in buttermilk" or "oven-baked chicken with buttermilk", the common base is the use of buttermilk to tenderize and enhance the flavor of the chicken.
Buttermilk, also known as "suero de leche" in Spanish, is an ingredient that provides acidity and moisture, helping the chicken to become tender and juicy after baking. This technique has its roots in home cooking and is often prepared for family gatherings or picnics due to its simplicity and good taste. In other countries, variations with different types of spices or sauces are common, but the essence of the dish remains.