Chicken zosui is a Japanese rice soup recipe that turns cooked rice, tender chicken, and savory broth into a warm comfort meal. The dish usually starts with dashi or chicken stock simmered with chicken pieces, mushrooms, carrot, green onion, napa cabbage, or other simple vegetables until the broth becomes flavorful. Cooked rice is added near the end so it softens and absorbs the soup without becoming too heavy. A beaten egg can be poured in gently to create a silky texture, while soy sauce, salt, mirin, ginger, or sesame oil can add balanced umami and aroma. The final chicken zosui is soft, nourishing, and easy to digest, making it perfect for lunch, dinner, cold days, or using leftover rice in a simple Japanese-style bowl.