Peel the shrimp and remove the intestines.
Slice the garlic thinly.
Add olive oil to a pan and sauté the garlic over low heat.
Add the shrimp and cook until the outside is done.
Add cooked spaghetti noodles to the pan.
Season with salt, pepper, and peperoncino.
Add a little pasta water and mix well.
Finish with parsley and a drizzle of olive oil.