Boil the spaghetti noodles in boiling water and drain them.
Thinly slice the garlic.
Heat olive oil in a pan and sauté the garlic over low heat.
Add peperoncino to infuse flavor.
Add the cooked pasta to the pan and mix well.
Add a little pasta water to keep it moist.
Season with salt and pepper.
Sprinkle with parsley to finish.