1Preheat your oven to 375°F (190°C).
Cook the lasagna noodles according to the package instructions. Drain and set aside.
In a large skillet, sauté the mushrooms until they are tender. Add the spinach and cook until wilted. Set aside.
In a blender or food processor, puree the butternut squash until smooth.
Spread a thin layer of marinara sauce on the bottom of a 9x13 inch baking dish.
Place a layer of lasagna noodles over the sauce.
Spread a layer of butternut squash puree over the noodles.
Add a layer of the sautéed mushrooms and spinach.
Spread a layer of vegan ricotta over the vegetables.
Repeat the layers until all ingredients are used, ending with a layer of marinara sauce.
Sprinkle the vegan mozzarella on top.
Cover the dish with aluminum foil and bake for 30 minutes.
Remove the foil and bake for an additional 10-15 minutes, or until the cheese is melted and bubbly.
Let the lasagna cool for a few minutes before serving. Enjoy!