Complex sentence: The egg tart or egg custard tart is a pastry commonly found in Hong Kong and other Asian countries, which consists of an outer pastry crust that is filled with egg custard and baked.
Split into simpler sentences: The egg tart or egg custard tart is a pastry commonly found in Hong Kong and other Asian countries. The tarts consist of an outer pastry crust that is filled with egg custard and baked.