1, ingredients: bone, kelp, corn, cooking wine, salt, red wine and vinegar.
2. Wash the bone, cut the corn into pieces, pour the wine into the pot, add onion and ginger, and blanch the bone.
3. Pour the water into the casserole, add the bones and corn, a spoonful of red wine and vinegar.
4. After the fire is boiled, turn to low heat, wash the kelp and cut into pieces, and add the kelp to cook together after 30 minutes.
5, stew 1 hour and add salt to taste.