1, First of all, it is necessary to thaw the frozen mutton offal before cooking, and after thawing, it is necessary to thoroughly clean the mutton offal with clear water to remove the dirt and odor on the surface.

2. Secondly, blanch the mutton offal in boiling water to remove blood and other impurities, and add seasonings such as ginger slices and cooking wine to remove fishy smell and enhance fragrance.

3. Finally, rinse the boiled mutton offal with clear water again to remove the foam and blood foam on the surface, and finally put the mutton offal into boiling water to cook.