This quiche-like French tart is one of our favorite brunch dishes.
Prepare and fit into a 9-inch quiche, tart, or pie pan:
Brush the dough with:
Refrigerate. Melt in a medium skillet over medium heat:
Add:
Cover and cook, stirring occasionally and reducing the heat as the leeks cook, until they are very soft, about 20 minutes. Meanwhile, preheat the oven to 400°F. Beat together in a bowl until well combined:
When the leeks are done, add to the custard. Transfer to the prepared pie shell. Bake until the top is golden and the custard is set, 20 to 30 minutes. Let rest for 10 minutes before slicing.