Slice the garlic thinly.
Prepare the peperoncino (red chili pepper).
Cook the spaghetti noodles in boiling water.
Add olive oil to a pan and sauté the garlic and peperoncino over low heat.
Add the cooked pasta to the pan and mix well with the oil.
Season with salt and pepper.
Finely chop parsley and sprinkle on top.