Taiwan is famous for its variety of delicious foods including pearl milk tea, noodles, shrimp rougeng, oyster omelets, bamboo rice packets, smelly tofu, meatballs, oyster noodles, and mango ice. Pearl milk tea became popular for its tasty tea powder and chewy pearls. Noodles from Tainan are known for their flavor from oil and bean sprouts. Shrimp rougeng is a thick soup made from shrimp, cornstarch and black vinegar.