1 pound fresh spinach, washed, dried, roughly chopped, seasoned with salt and pepper
2 pounds smoked mozzarella cheese, shredded
1/2 pound shredded Parmesan cheese
Salt and pepper to taste
1 medium yellow onion, cut into 1/4-inch squares
1 small carrot, cut into 1/4-inch squares
1 rib celery, cut into 1/4-inch squares
1 tablespoon freshly minced garlic
1/2 teaspoon crushed red pepper
1 tablespoon extra-virgin olive oil
6 1/2 cups good-quality canned tomatoes, diced
3 1/4 cups good-quality tomato puree
1/2 cup basil pesto
1 tablespoon salt
1 tablespoon pepper
Wild Mushroom-Leek Mix
1/8 cup dried porcini mushrooms
4 leeks (white part only), well-washed
1 1/4 pounds cremini mushrooms, cleaned with damp towel
1 1/4 pounds oyster mushrooms, woody base removed
1 1/4 pounds shiitake mushrooms, stems removed
3 tablespoons olive oil (divided)
1 tablespoon freshly minced garlic
1 tablespoon salt (divided)
1 tablespoon pepper (divided)
1 teaspoon freshly chopped thyme (divided)
1 teaspoon freshly chopped oregano (divided)
1 teaspoon freshly chopped parsley (divided)
Make marinara sauce and wild mushroom-leek mix in advance. They can be made the
day before if desired.
When ready to assemble: Heat oven to 350 degrees. Coat 12 x 16 x 2 1/2-inch pan
with vegetable oil spray, then layer ingredients.
First layer: Add 7 lasagna noodles, 3 1/2 cups marinara sauce, half the spinach,
a third of the mozzarella cheese.
Second layer: Add another 7 lasagna noodles, all the mushroom leek mixture,
all the Parmesan cheese.
Third layer: Add another 7 lasagna noodles, another 3 1/2 cups marinara sauce,
the remaining spinach, another third of the mozzarella.
Fourth layer: Add 7 lasagna noodles, remaining marinara sauce and remaining
mozzarella cheese. You may have leftover noodles; save for another use.
Cover pan with foil and bake in preheated oven 1 hour. Uncover and let rest 5
minutes before cutting and serving.
To serve, thaw in refrigerator, then reheat 1 to 2 minutes in the microwave on
Marinara Sauce: In large saucepan over medium heat, add oil. Sauté onion, celery,
carrot, garlic and crushed red pepper 10 minutes, stirring often.
Add diced tomatoes and tomato puree, mix well, reduce heat to low and simmer
2 hours, stirring occasionally.
Transfer to container, add pesto, salt and pepper.
After mixture has cooled completely, puree in food processor,
then return to container, cover and refrigerate. Sauce can be made 2 to 3 days before
Wild Mushroom Leek Mix: Cover porcini mushrooms with water, cover and set aside
Roughly chop leeks and fresh mushrooms.
In large sauté pan, add 1 tablespoon of the oil. Add leeks and garlic and sauté
Season with some salt and pepper. Remove from heat and transfer to large
In same pan over medium-high heat, add another tablespoon oil and add half the
mushrooms. Sauté until they just start to release their liquid. Season with some
of the salt and pepper and half the fresh herbs. Remove from heat and place on cookie
sheet with the leeks.
Repeat same process using remaining tablespoon oil, mushrooms and herbs. Remove
porcini mushrooms from liquid and add to mushroom mixture in pan. Drain soaking
mixture through coffee filter, making sure to leave sand and grit behind. Sauté
another 3 minutes.
Transfer last batch of mushrooms to same cookie sheet and refrigerate.
When cool, place in container and mix well.
Cover and refrigerate until ready to use.
Leftovers freeze well. Wrap individual portions, then freeze.