2. Red bean dumplings are vegetarian dumplings. This kind of dumplings is very popular, but the red beans are hard. Therefore, when cooking red bean dumplings, you need to soak the red beans one night in advance.

3. When cooking, cook in a pressure cooker for 20 minutes to half an hour. It is easy to boil zongzi if it is too long. Without pressure cooker, if the package is tightly wrapped, it may take 2 hours for the inside to be cooked thoroughly, otherwise there will be grains in the middle. If the bag is loose, it will be faster, an hour and a half.