1. When stewing, wrap one or two handfuls of soybeans in gauze and cook them together, which will make the chicken rotten easily.

2. Add vinegar before slaughter, then slaughter and simmer.

3. stew a few impatiens seeds or three or four hawthorn.

But old chickens, ducks and geese are hard to cook crispy and rotten. Take a piece of pig pancreas, chop it up and cook it with an old bird, it will be easy to boil and the soup will be delicious.

in addition ...