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1
Preheat oven to 400F.
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2
Arrange tomatoes and fennel in 13x9x2-inch glass baking dish.
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3
Drizzle oil over; toss to blend.
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4
Bake until fennel is tender and begins to brown, about 45 minutes.
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5
Cool.
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6
Spray 2 nonstick baking sheets with vegetable oil spray.
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7
Arrange eggplant and mushroom slices on prepared sheets.
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8
Bake until vegetables are tender, about 30 minutes for eggplant slices and 40 minutes for mushrooms.
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9
Puree tomato mixture in processor.
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10
Transfer to strainer set over bowl.
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11
Press on solids to extract liquid; discard solids.
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12
Stir vinegar into liquid.
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13
Season vinaigrette with salt and pepper.
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14
Stir spinach in large nonstick skillet over medium-high heat until wilted, about 1 minute.
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15
Remove from heat.
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16
Preheat oven to 350F.
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17
Spray four 1 1/4-cup custard dishes with vegetable oil spray.
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18
Line each dish with 2 eggplant slices in crisscross pattern.
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19
Sprinkle with salt and pepper.
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20
Top each with 1/4 of spinach.
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21
Top each with 1 mozzarella slice.
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22
Arrange pepper strips over, then basil and mushrooms.
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23
Top with remaining eggplant slices, cutting to fit.
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24
Sprinkle with salt and pepper.
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25
Cover each dish with foil.
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26
(Vinaigrette and lasagnas can be made 1 day ahead.
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27
Cover separately; chill.)
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28
Bake lasagnas until very tender, about 25 minutes.
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29
Remove foil.
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30
Using small knife, cut around vegetables to loosen.
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31
Invert onto plates.
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32
Spoon vinaigrette over.