A tart shell is a type of pastry crust used to hold various fillings, such as fruits, custards, or creams. It is typically made from flour, butter, sugar, and eggs, which are mixed to create a dough. The dough is then rolled out and pressed into a tart pan, often with fluted edges, before being baked until golden brown. Tart shells can be sweet or savory, depending on the filling. Common sweet fillings include lemon curd, chocolate ganache, or fresh fruit, while savory options might feature quiche or vegetable mixtures. Tart shells are versatile and can be served as desserts or appetizers.