Onion Tart

THIS SIMPLE onion tart, a member of the quiche family, reminds me of many wonderful meals I have had at inexpensive restaurants in rural France.

In the traditional recipe, the onions are cooked slowly until soft and then mixed with a thick béchamel sauce into which several eggs have been beaten. The finished tart makes a hearty first course.

My recipe is made with the light custard mixture I use for most of my quiches, to make it less filling and easier to fit into a contemp