Slice the garlic thinly and remove the shells and veins from the shrimp.
Boil the spaghetti noodles in boiling water.
Add olive oil to a pan, then sauté the garlic over low heat.
Add the shrimp to the pan and season with salt and pepper.
Add the cooked pasta and a little pasta cooking water to the pan and mix together.
Finish by adding parsley and a squeeze of lemon juice.