Exercise:
1. Boil the sweet vinegar with low heat.
2. Peel ginger, wash it, suck it dry, pat it loose, put it in a white pot and stir-fry it with young salt for a while, then simmer it in sweet vinegar 1 hour.
3. Wash the pig's hands, put them in boiling water for a few minutes to remove the fishy smell, hold cold water, and absorb the water with a cloth.
4. Add 1 vinegar to ginger vinegar, roll well, add pig's hand, simmer for half an hour, leave the fire and let cool.
A pig's hand, a small piece of mature vinegar, a piece of ginger, dried Chili, soy sauce, a whole grain of garlic, and sugar (rock sugar is better)
1. Pig's hands are unhaired, cut into pieces, boiled in water to remove blood, and washed.
2. Cut the ginger into large pieces and pat it flat. Stir-fried with pork hands (no oil). Add garlic rice (whole grain), 3-4 dried peppers, a little soy sauce and half a vinegar to boil at the beginning of oil pan.
3. Add water to all the ingredients, cook until the trotters are eroded, add sugar, season, and add vinegar if it is not sour enough.