Ristorante Pizzeria Lilienthal is highly praised for its excellent food quality, especially its pizzas and Italian specialties like pasta and risotto, which many customers describe as very delicious and satisfying. The establishment is noted for its attentive and friendly service, with staff often commended for their politeness and efficiency. The atmosphere is described as cozy and relaxed, featuring a pleasant interior and a nice terrace, making it suitable for both casual lunches and quiet dinners. Pet-friendly accommodations and thoughtful touches like providing water bowls for dogs are also appreciated. While most reviews are overwhelmingly positive, highlighting great value and consistent quality over the years, a few customers mentioned minor drawbacks such as the absence of soft background music and a less impressive dessert option. One review expressed dissatisfaction with the taste, indicating that not all experiences were perfect, but these are exceptions in an otherwise well-regarded restaurant.