Botín is known as the oldest continuously operated restaurant in the world having remained open as the Botín Restaurant since 1725.

The Botín website offers a tour of the restaurant followed by set menu. While the tour is offered by a third party, I recommend the tour, but you need to book well in advance. Dinner tours are full through the end of June. https://insiderstravel.io/tour/restaurant-tour-madrid-botin-experience/

While it has been over 23 years, I have eaten at Botín in the past. It was interesting to be in the dining rooms when they are empty. Here a variety of pictures from our tour and dinner. The includes manchego cheese, roasted peppers with tuna belly, scrambled eggs with blood sausage and potatoes, ham and chicken croquettes, sautéed mushrooms and roast suckling pig. Dessert was lemon sorbet with cava.