Dumplings with square skin. The earliest predecessor of dumpling wrappers is square-leaf wontons. In some places, the method of wrapping dumplings with square wrappers is still retained. Some people believe that using square wrappers can better lock the fillings and prevent the dumplings from boiling or exploding. To make square dumplings, you need to choose high-gluten flour. After kneading, rising, rolling and other processes, you can get a dumpling wrapper with a certain toughness. When rolling out the wrapper, use a template or cutter to cut the dumpling wrapper into regular square or rectangular shapes. , start wrapping the fillings and make delicious dumplings with square skins.