Sauté the chopped mushrooms and garlic in olive oil for 5-7 minutes over low-medium heat.
Whisk in the flour & nutritional yeast.
Whisk in the rice milk until the flour and nutritional yeast are fully incorporated. Bring mixture to a boil.
Mix in the garlic powder, onion powder, paprika salt & pepper. Bring the heat down to low.
Cover the mixture and continue to cook for 8-10 minutes, occasionally whisking. Turn off heat. Sauce will thicken when cooled.
Add cooked/drained pasta to the mushroom sauce and mix well.
Divide between two bowls and serve with desired toppings!