The egg-and-cream custard pie was beloved in the Lothringen region, which was later annexed by France to become, you guessed it, Lorraine.
The egg-and-cream custard pie was beloved in the Lothringen region, which was later annexed by France to become, you guessed it, Lorraine. The borders changed, but the dish stuck around. Now, quiches are served worldwide with any number of delicious and inventive flavor combinations.