Cut the pork into bite-sized pieces.
Chop the garlic and onion.
Boil the pasta in boiling water.
Heat olive oil in a pan and stir-fry the pork.
Add the garlic and onion and sauté together.
Pour in the tomato sauce and bring to a simmer.
Add the cooked pasta and mix well.
Season with salt and pepper.
Serve on a plate and finish with parsley.