What is "mooncake"?

Mooncake is a traditional pastry that is enjoyed during the Mid-Autumn Festival in many East Asian countries. It is a small, round pastry that is filled with sweet lotus seed paste or other fillings, such as red bean paste or salted egg yolk, and is often decorated with intricate designs on the top. The pastry is made from a mixture of flour, sugar, and oil, which is then shaped into a small ball and filled with the sweet filling. Mooncake is a symbol of unity and togetherness, and is often shared with friends and family during the Mid-Autumn Festival. It is a popular gift during the festival, and can be found in traditional bakeries and specialty food shops.