Licor de Hierbas, or herbal liqueur, is a popular digestif in Madrid. It is made by infusing a variety of herbs and spices in alcohol, typically brandy or aguardiente. Licor de Hierbas has a strong and aromatic flavor, often with hints of anise, mint, and other botanicals. It is commonly enjoyed after a meal to aid digestion and is believed to have medicinal properties. Licor de Hierbas is a traditional and flavorful drink that showcases the rich culinary heritage of Madrid.