1, more than an hour. Quick-frozen dumplings are very icy, ice is difficult to melt, so the steaming time should be longer. Steam the fire should be used in the fire, or small fire, do not use large fire. In addition, steam dumplings time to try to be longer, so that the steamed dumplings will be more delicious, more soft and glutinous texture, clear aroma is more intense. On the contrary, the short time of steaming will affect the taste of the dumplings, and may lead to clip raw. It is difficult to remedy the raw rice dumplings, and after cooking again will lose part of the flavor. So when steaming frozen dumplings must ensure that the time, so that the steamed dumplings are fully steamed and cooked. You should also adjust the time of steaming the dumplings according to the size of the dumplings you buy.

2, zongzi leaves are what plant leaves:

(1) Ruo bamboo leaves, is the southern coastal areas used in the zongzi leaves, its alias for a leaf orchid.

(2) Banana leaves, which can be up to 2-3 meters in length, are usually used in Jiangsu and Zhejiang.

(3) Lotus leaf, a plant of the genus Lotus in the family Lotusaceae, often used in Henan and other places for zongzi leaves.

(4) Reed leaves, more resilient, should not be broken.

(5) Zongba leaves, Yunnan-Guizhou Plateau region often used Zongzi leaves.