500g of duck feet, 5g of mustard, 5g of yellow rice wine1.5g, 5g of onion ginger1.5g, 2.5g of refined salt, 5g of monosodium glutamate1.5g, 0.5g of white vinegar, 0.25g of white sugar and 25g of vegetable oil.

Food practices

1. Wash duck feet, put them in a boiling water pot, cook for about 3 minutes, then take them out and wash them with clear water. Wash the original pot, add duck feet, wine, onion ginger, monosodium glutamate and 250 grams of water until it is 80% cooked, take it out and let it cool, remove all bones and put it neatly in the pot.

2. Add10g warm water to mustard powder, mix well, then add 0.35g vinegar, 0.5g sugar and 0.5g monosodium glutamate, mix well with vegetable oil, cover and wake for about 30min, remove the cover and pour it on the duck feet.