Horno de San Onofre is a bakery that has been operating in Madrid since 1890. The bakery is known for its traditional recipes and high-quality ingredients, which are carefully selected to ensure the best taste and texture. Some of the most popular items on the menu include the croissants, the almond cakes, and the tarta de San Marcos. Horno de San Onofre also offers a variety of bread, biscuits, and chocolates, all made with the same attention to detail and passion for baking.