Quiche is a French tart consisting of pastry crust filled with savoury custard and pieces of cheese, meat, seafood or vegetables. A well-known variant is quiche lorraine, which includes lardons or bacon. Quiche may be served hot, warm or cold.

A pie is a baked dish which is usually made of a pastry dough casing that contains a filling of various sweet or savoury ingredients. Sweet pies may be filled with fruit, nuts, fruit preserves, brown sugar, sweetened vegetables, or with thicker fillings based on eggs and dairy. Savoury pies may be filled with meat, eggs and cheese or a mixture of meat and vegetables.