Bake sweet potato (or microwave) until soft. Remove skin and add potato to mixing bowl. Mash well.
Roast sliced mushrooms for 10 minutes at 350° with a little salt and oil of your choice. Add to mixing bowl with sweet potatoes.
Add cheese, butter, onion powder, almond milk, lemon juice, and 1 cup of the water in which the pasta was cooked. Mix well using a stand mixer or hand mixer.
Add pasta to mixing bowl and stir by hand until well combined.
Pour entire mixture into large Baking Dish. Coat with chopped bacon and green onions. Cover and bake for 30 minutes at 350°. Uncover and bake for 10 additional minutes.
Notes
Note: Nutrition information is a rough estimate only; actual values will vary based on the exact ingredients used and amount of recipe prepared.