1.Cook the linguine or spaghetti as per package instructions in salted water.
2.In a bowl, combine the egg yolk, olive oil, thyme, pepper, and salt.
3.Mince the garlic cloves and add them to the bowl.
4.Once the pasta is cooked, reserve some pasta cooking water and drain the rest.
5.Mix the pasta with the egg mixture off the heat, adding the reserved cooking water as needed to create a smooth sauce.
6.Add grated parmesan, parsley or basil, and crushed chili flakes (if using) and stir well.
7.Serve immediately and enjoy your dad's favorite pasta!