Cook the whole wheat pasta.
Cut the onion, bacon, and mushrooms into bite-sized pieces.
Heat olive oil in a pan and fry the bacon.
Add the onion and mushrooms and sauté together.
Pour in the milk and heavy cream, and bring to a simmer.
Add the cooked pasta noodles and mix with the sauce.
Season with salt and pepper to taste.
Plate and finish with a sprinkle of parsley.