Materials?

Eggs, some pig feet, a ginger, a little salt and half a bottle of sweet and sour.

The practice of sweet and sour trotters?

Boil eggs in hot water, and then shell them. Sweet and sour My mother bought this brand.

Wash pig's trotters and cut into pieces. Then blanch in boiling water. Then cut the ginger slices, but don't scrape the skin.

Pour in half a bottle of vinegar first, then add trotters and ginger. Add a little salt. Cooking. When it is almost cooked, add the shelled eggs.

Turn off the fire when you are ready. Stir the steamer materials a few times.