Maybe it was because the boys had spent the afternoon swimming and were famished, but everyone in the family downed this. So despite the fact that this has eggs and, therefore, is only loosely vegetarian, it is still going in the 2009 12 meatless meals my family loves.
I've made it with scrambled and hard boiled eggs. Both were great. Serve it over toasted French bread.
Egg and Tomato Gratin (from Orangette)