How to make it

  • For the mushroom filling:
  • -------------------------------------
  • Place the dried porcini mushrooms in a large bowl; add the boiling water and the soy and Worcestershire sauces. Set aside.
  • Combine the portobello and shiitake mushrooms in the bowl of a food processor. Pulse until finely chopped. Transfer to a separate large bowl and add the sliced cremini mushrooms.
  • Melt the butter with the olive oil over medium heat in a large saucepan.
  • Meanwhile, combine the carrots, onion and celery in the bowl of a food processor; pulse (about 20 times) until they are just finely chopped (but have not released a great amount of liquid), then add to the saucepan. Cook, stirring occasionally, for 20 minutes; do not let the vegetables brown. Season with salt and pepper and stir to mix well.
  • Add the chopped garlic and the portobello-shiitake-cremini mushroom mixture to the vegetables. Cook for 20 minutes, stirring occasionally, until the liquid is absorbed. Add the tomato paste and milk, stirring to mix well, and cook for 10 minutes or until the liquid is absorbed. Add the wine and cook for 10 minutes, stirring occasionally; it will be absorbed.
  • Use a slotted spoon to remove the reconstituted porcini mushrooms from their soaking liquid; reserve the liquid. Rinse the mushrooms to remove any grit, then coarsely chop them and add to the saucepan.
  • Strain the mushrooms' soaking liquid through a fine-mesh strainer or several layers of cheesecloth, then add it to the saucepan. Add the diced tomatoes and their juice, the bouquet garni and sugar. Reduce the heat to medium-low and cook, uncovered, for 2 to 3 hours, stirring occasionally, until the filling is a deep, rich brown and very thick. Use strips of paper towel from time to time to skim off any fat that rises to the surface of the mixture. Discard the bouquet garni when the filling is done.
  • --------------------------------
  • For the bechamel sauce (which can be done while the filling is cooking): Melt the butter in a large saucepan over medium heat. Add the flour and whisk it with the butter for several seconds to form a roux. Add the milk gradually, whisking constantly to ensure that no lumps form. Add the salt, pepper and nutmeg; cook for about 5 minutes, until the sauce thickens and can coat the back of a spoon. Remove from the heat and whisk in the Parmigiano-Reggiano cheese. Set aside.
  • To assemble:
  • ------------------
  • Use nonstick cooking oil spray to lightly grease the inside of a 9-by-13-inch lasagna pan, preferably one with deep sides.
  • Spread a thin layer of mushroom filling in the bottom of the pan. Arrange 4 lasagna sheets on the filling side by side; do not overlap. Spread a thin layer of filling over the noodles. Drizzle about 1/2 cup of the bechamel sauce over the mushroom filling. Build more layers in the same order — noodles, mushroom filling, bechamel sauce — to create as many as 7 layers. (All of the pasta can be used. There may be some mushroom filling left over; reserve for another use.) Spread the remaining sauce on top of the lasagna so that the mushroom filling is completely covered. Sprinkle the top with the Parmigiano-Reggiano cheese.
  • At this point, the lasagna can be wrapped well and refrigerated for 1 to 2 days, or wrapped well and frozen for up to 2 months (thaw completely before baking, or adjust baking times as needed).
  • When ready to bake, preheat the oven to 350 degrees. Bake the lasagna, unwrapped, for about 1 hour or until it is golden brown and bubbling. Let it rest for 10 minutes before serving.

Reviews & Comments 8

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  • mystic_river1 8 years ago
    This is what I would do. If you intend to freeze it, let sit for a day in the fridge to meld the flavors then cover with foil-tightly. Takes very well to freezing after cooking also.
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  • mrstomcat 8 years ago
    Can this be frozen? If so, should it be cooked first and how to thaw and re-heat? Thanks.?
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  • gitano 10 years ago
    Holy Toledo!!! This is about the longest recipe ingredients list I have ever seen! I don't think I have enough counter space to hold everything it calls for! :) Will have to give this one a whirl - definitely LOVE anything with mushrooms!!!! Thanks for sharing the recipe!
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    " It was excellent "
    greekgirrrl ate it and said...
    Fantastic recipe.. I am going to the grocer's tomorrow when I get up to buy all the ingredients! Thanks so much for sending it to me, jm. You are the best!!
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    " It was excellent "
    invisiblechef ate it and said...
    Wow is right, cannot wait to try this one out. The sauce looks great too.
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    " It was excellent "
    sparow64 ate it and said...
    WOW! This is to die for!! I'm already checking my calendar to see when my next "free" weekend is so that I will have the time to make this and have our friends over for supper!! Thanks so much for sharing!
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  • danadooley 10 years ago
    Wow, this recipe is pretty long but I do adore mushrooms and it does sound delicious. Maybe I will try it - just cos I can't keep my hands of mushrooms. Thanks for sharing.
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    " It was excellent "
    cheryilyn ate it and said...
    This sounds great. my son will love this one.
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