Is the size of a roast chicken 850 grams ok?

Yes, the average supermarket only sells about a catty (500 grams).

Roast chicken is a traditional dish with China flavor. Part of the cooking method is to fry the chicken coated with caramel, and then cook it with salt water made of spices. The finished roast chicken has the characteristics of fragrant meat, fat but not greasy, rotten but not scattered. Among roast chicken, Daokou roast chicken is the most famous. It is rich in flavor, crisp and fragrant, soft and rotten, salty and palatable, ripe and rotten, fat but not greasy. It is made from a variety of precious Chinese medicines supplemented by aged soup. Its finished roast chicken is bright in color and looks like a gold ingot, which has great dietotherapy and health care functions.