Tarta de Santiago is a traditional almond cake from the Galician region of Spain. It is made with ground almonds, sugar, eggs, and lemon zest. The cake is typically decorated with a cross of powdered sugar on top. Tarta de Santiago is a moist and flavorful cake that is often enjoyed with a cup of coffee or as a dessert after a meal. It is a delicious and indulgent treat for those with a sweet tooth.