It really one of the best Resturant I tried it in Madrid. It is an Italian Resturant. They have good service and food. Try the beef steak and 4 cheese pizza. If you want to try an Italian food in Madrid, you should try Tattaglia.
If you're in Spain but feeling like Italian, La Tattaglia is the place to go. Fresh produce prepared in the traditional Italian way, it's simply delicious. Ambiance of the restaurant itself it lovely - with the low ceilings and rounded finishing it's like being in a secret hideaway.