In a large skillet, saute the mushroom, 1/2 tsp salt and green onions in coconut oil over medium high heat until tender. Set aside.
In a small bowl, whisk together the pumpkin, coconut milk, sage, 1/2 tsp salt, and pepper.
In another small bowl mash the tofu, lemon juice, nutritional yeast, Italian seasonings, and garlic powder.
spread 1/2 cup pumpkin sauce in an 11 x 7 in baking dish. top with 3 noodles. Top the layer of noodles with 1/2 cup pumpkin sauce, half of the mushroom and onion mixture, 1/2 cup tofu ricotta cheese mixture, 1/2 cup mozzarella, and 1/4 cup Parmesan cheese. Repeat this process. Top with remaining noodles, Sauce, and cheese.
Bake at 375 degrees for 35-45 minutes. Let stand for 10 minutes.