Put the silken tofu and soy sauce in a tall jug and add 3 tablespoons of the reserved pasta water. Use a stick blender to blend to a smooth sauce, then pour into the pan with the mushroom mixture.
Once the pasta is cooked add a little of the pasta water to the sausage pan to create a sauce. Add the cooked pasta to the sauce, stir until all the pasta is coated in the sauce and then serve ...
I grew up on Long Island, New York, where it's called sauce ... the pasta world, with over 130 years to perfect its craft. It recently released a new line of geographically influenced recipes ...