These sweet pastries with their sesame seed filling are more like pancakes, with a slightly savoury flavour to balance out the sugar. In Mandarin they are called ping, which can often refer to any small pastry.
To make the filling, put the sesame seeds into a dry pan and stir over a medium heat for 8–9 minutes, or until pale golden. Grind the warm toasted seeds to a paste using a food processor, grinder or mortar and pestle, then add a few drops of water to make a stiff paste.
Heat the lard or white cooking fat in a wok over a medium heat, add the sugar and cook until