01 -
Bring a large pot of salted water to a boil. Add spaghetti and cook until al dente according to package instructions.
02 -
While the pasta cooks, heat olive oil in a saucepan over medium heat. Add sliced garlic and red pepper flakes. Sauté until garlic turns light golden brown, taking care not to burn it. Remove from heat if garlic cooks before pasta is ready.
03 -
Drain spaghetti reserving ¼ cup of pasta water. Transfer pasta to the saucepan with garlic oil. Add reserved pasta water and sauté over medium heat until the water evaporates and pasta is evenly coated.
04 -
Taste and adjust seasoning with salt or additional red pepper flakes as desired. Garnish with chopped parsley and shaved Parmesan cheese. Serve immediately.