Sweet and sour pineapple chicken, also known as Fènglísū jī, is a popular Chinese dish that combines the tangy flavors of pineapple with the savory taste of chicken. The dish is made by stir-frying chicken pieces with a variety of vegetables and a sweet and sour sauce made from pineapple juice, vinegar, and sugar. The result is a deliciously balanced dish that is both sweet and tangy, with tender chicken and crisp vegetables. Serve it over steamed rice for a complete meal that is sure to please your taste buds.