1, glutinous rice balls are usually cooked in ten minutes, and the cooked glutinous rice balls will float on the water, so we don't need to judge whether they are cooked or not.

2. Before the quick-frozen dumplings are cooked, if the dumplings are directly boiled in boiling water, the result will be external cooking and endogenous. Because the dry powder is put in hot water, the hot water absorbed by the outer layer expands quickly, and the water can no longer enter the inside, so the inside is still raw. Should be put in cold water first, so that jiaozi can be filled with cold water, and then put in boiling water, so that it can be heated evenly.