Scrape off the old skin

Boil with water

Skim off floating foam

Add onion

Add soybeans soaked in water for 1-2 hours and boil over high fire.

Medium fire for 30-40 minutes, add salt and reheat for 10 minute.

Season with monosodium glutamate.

Because trotters are rich in protein.

Soybean is high in calcium,

So this soup is a good tonic.

If a pregnant woman who has just given birth has no milk

Drinking this is the most effective

This soup has been around for a long time.