Come summertime in France, the eastern region of Alsace and its Vosges mountains burst with “blue gold.” Such is the nickname given to the local wild blueberries—myrtilles and brimbelles—which are beloved in the region and feature heavily in its cuisine.
Visit Alsace this time of year, and you’re sure to find an Alsatian blueberry tart in most restaurants, cafes, and bed-and-breakfasts. Made with a buttery, crisp-tender crust and a generous blueberry filling, the tart is one of the region’s iconic desserts. Here’s the defining twist: Just before baking, a quick, rich custard is poured over the fresh berries, creating an extra juicy filling with a delicious creaminess….