Shanghai people will try every means to make the food delicious no matter it is noodles in soup, noodles mixed with sauce, cold noodles, or toppings. In the 1980s and 1990s, Dongtaixiang, famous for the noodles mixed with scallion oil, improved the quality of noodles with better and fresher ingredients. A Bao noodle shop and the A Niang noodle shop also developed old carat noodles and crab roe noodles.