Boil the pasta noodles in boiling water.
Finely chop the garlic and onion.
Heat olive oil in a pan and sauté the garlic and onion.
Add bacon and button mushrooms, and stir-fry.
Add the cooked pasta noodles to the pan.
Pour in the pasta sauce and mix well.
Season with salt and pepper.
Serve on a plate and garnish with parsley.