If you're a vegetarian or simply looking for a meat-free alternative to Sweet and Sour Chicken, this recipe is perfect for you. This vegetarian version of the classic dish, known as Tángcù jī in Chinese, is just as delicious and satisfying. To make this vegetarian Sweet and Sour Chicken, you will need tofu or seitan, which are cut into bite-sized pieces. The tofu or seitan is then coated in a mixture of cornstarch, salt, and pepper, and pan-fried until golden and crispy. Meanwhile, a sauce is prepared using ingredients like ketchup, vinegar, sugar, soy sauce, and pineapple juice. The fried tofu or seitan is then tossed in the sauce, allowing it to soak up the flavors. The result is a dish that is both sweet and tangy, with a perfect balance of flavors. Serve the vegetarian Sweet and Sour Chicken with steamed rice or noodles for a complete and satisfying meal that will please both vegetarians and meat-eaters alike.