The vegetable bag is made of white flour and the heart is made of green vegetables, gluten, mushrooms, winter bamboo shoots, dried tofu, and sautéed with sesame oil and sugar. After the packaged vegetarian dish is steamed, the skin is white and soft, and the filling heart is green and green, bright and pleasing to the eye. When the cage is opened, the room is full of fragrance, the taste of the food is delicious and refreshing, and it is not too greasy to eat.

Shanghai Crab Shell Yellow is Shanghai's long-established specialty snack. It was founded in the early 1920s and is best known for its crab shell yellow cooked by Wu Yuan. The stuffing of crab shell yellow is salty and sweet, salty with onion oil, fresh meat, crab powder, shrimp, etc., sweet sugar, rose, bean paste, jujube and so on. Because the shape of the cake resembles a crab shell, the color after ripening is as deep as the back of the crab shell, so it is called "crab shell yellow".