Finely chop the tomato and onion.
Mince the garlic.
Boil the pasta noodles in boiling water.
Heat olive oil in a pan and sauté the garlic and onion.
Add the tomatoes to make a sauce.
Add the cooked pasta noodles to the sauce and mix well.
Season with salt and pepper.
Sprinkle with Parmesan cheese to finish.