Almodrote De Berengena (Turkish Eggplant Flan)

Yield:	8 Servings
Categories:	Eggplant, Eggs

4	lb	Eggplant
8	oz	Feta cheese
2		Eggs; lightly beaten
4	tb	Matzo meal
1	c	Gruyere cheese; grated
5	tb	Sunflower oil; plus more for baking