Ingredients that need to be prepared in advance include: a pack of quick-frozen dumplings, an appropriate amount of water, an appropriate amount of white vinegar, an appropriate amount of soy sauce, and an appropriate amount of minced garlic.

1. In the first step, add an appropriate amount of water to the pot and bring to a boil over high heat.

2. Then brush a layer of oil on the steamer.

3. Put on the quick-frozen dumplings.

4. Cover and steam over high heat for 15 minutes.

5. Open the lid after 15 minutes, and the steamed and frozen dumplings are completed.