Vietnamese. A sleek Castro dining spot, Zadin is appealing with minimalist décor, an eclectic wine list and well-crafted preparations of traditional Vietnamese cuisine peppered with modern twists. The menu is rich with both meat-based and vegetarian dishes, with a hearty array of gluten-free options thrown in. The salt & pepper calamari, the pan-fried pho noodles and the saté beef noodle soup are some of the more notable menu items.