-
1
FOR FILLING: Combine first 3 ingredients (30 oz.
-
2
ricotta, 10 oz.
-
3
spinach, prepared as instructed, and 1/2 cup Parmesan) in large bowl.
-
4
Season with salt and pepper.
-
5
Add eggs and mix well.
-
6
(Can be prepared 1 day ahead.
-
7
Cover and chill.)
-
8
ASSEMBLY: Cook noodles in large pot of boiling salted water until just tender but still firm to bite, stirring occasionally.
-
9
Drain.
-
10
Rinse under cold water to cool; drain.
-
11
Oil 13x9x2-inch baking dish.
-
12
Spread 1 cup Tomato, Porcini and Pancetta Sauce over bottom of dish.
-
13
Arrange 3 to 4 noodles over, trimming to fit as necessary.
-
14
Spread half of ricotta filling over.
-
15
Spoon 1 cup sauce over.
-
16
Sprinkle with 1 cup Fontina and 1/4 cup Parmesan cheese.
-
17
Top with 3 to 4 noodles, trimming to fit.
-
18
Spread remaining ricotta filling over noodles.
-
19
Spoon 1 cup sauce over.
-
20
Sprinkle with 1 cup Fontina and 1/4 cup Parmesan.
-
21
Reserve 1/2 cup sauteed mushrooms for garnish.
-
22
Spread remaining mushrooms over cheese.
-
23
Arrange remaining noodles over.
-
24
Spread remaining sauce over noodles.
-
25
Sprinkle remaining Fontina and 1/4 cup Parmesan over.
-
26
Cover with foil.
-
27
(Can be prepared 1 day ahead.
-
28
Refrigerate lasagna and reserved 1/2 cup mushrooms separately.
-
29
Let lasagna stand 2 hours at room temperature before continuing.
-
30
Preheat oven to 350F (180C).
-
31
Bake covered lasagna 30 minutes.
-
32
Uncover and continue baking until bubbling and cheese melts, about 20 minutes.
-
33
Arrange reserved 1 cup mushrooms, tomato and 2 teaspoons rosemary over.
-
34
Let stand 10 minutes.
-
35
Cut into squares.