Yu Choy is related to bok choy and broccoli. This tender vegetable tastes similar to spinach leaves and is commonly used in stir-fries, soup, or steam.Yu choy has a sweet and mild vegetal flavor with a light and tender texture. The stalks, leaves, and flowers are all edible raw or cooked.Uses: steam yu choy until tender and top with oyster sauce and sesame oil. Stir-fry with garlic, a generous amount of oil, and your favorite sauces or seasonings.