Which ingredient is used in the "Buttermilk Fried Chicken" dish?

Buttermilk is the key ingredient in "Buttermilk Fried Chicken." It serves multiple purposes in the dish. First, it provides moisture, helping to keep the chicken juicy during the frying process. Second, buttermilk’s acidity helps to tenderize the chicken, resulting in a more succulent and flavorful meat. The slight tang of buttermilk adds depth to the overall flavor profile of the fried chicken and contributes to a crispy coating when the chicken is dredged in seasoned flour before frying. This technique is a hallmark of Southern cooking, where buttermilk is often used in marinades and batters for frying.