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1
Prepare the pie dough.
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2
While it is rising, prepare the filling for the torte.
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3
Salt the eggplant slices on both sides, and let stand for 30 minutes.
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4
Meanwhile, preheat the oven to 450 degrees and make the tomato sauce.
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5
Rinse the eggplant slices, and blot dry with paper towels.
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6
Line baking sheets with foil, and oil the foil with olive oil.
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7
Place the eggplant rounds on the baking sheet, and brush the tops with olive oil.
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8
Bake in the oven until tender and beginning to color, 15 to 20 minutes.
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9
They will dry out on the surface but feel soft when you press on them.
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10
Remove from the oven, and fold the foil over the eggplant slices, enclosing them so theyll continue to steam and soften.
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11
Turn the oven down to 375 degrees.
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12
Generously oil a 10-inch spring-form pan or cake pan.
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13
Roll out two-thirds of the dough to a large, thin round, and line the pan, making sure that there is some overhang all the way around the edge.
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14
Beat the eggs in a large bowl, and use a bit to brush the bottom and sides of the crust.
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15
Remove 1 tablespoon for brushing the top crust, and set aside.
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16
Stir the tomato sauce into the bowl of beaten eggs, and combine well.
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17
Line the pastry with half the eggplant slices, overlapping them slightly.
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18
Sprinkle half the Gruyere over the eggplant, and top with half the egg and tomato sauce mixture.
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19
Sprinkle with half the Parmesan.
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20
Repeat the layers.
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21
Roll out the remaining dough, and place it over the top of the torte.
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22
Fold in the overhanging bottom crust and pinch the edges together, then pinch an attractive lip around the rim of the pan.
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23
Brush the top crust with the beaten egg you set aside, and make a few slits in it with the tip of a knife.
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24
Bake 50 minutes to one hour, until golden brown.
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25
Remove from the oven and allow to sit for at least 20 minutes before cutting.
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26
Serve hot or room temperature, cut in wedges.