Bring 6 1/2 cups of water and 2 tsp of salt to a boil on high heat. While it heats, thinly slice the garlic and finely chop the parsley.
6 1/2 Cups Water, 2 tsp Salt
Add the spaghetti and cook on medium-high heat for 1 minute less than the package time.
1/2 lb Spaghetti
When the pasta is about halfway cooked, add the olive oil and garlic to a cold pan. Cook on medium-low heat for 5 minutes, stirring often, until lightly golden.
2 tbsp Extra-virgin olive oil, 3 Garlic cloves
Stir in the chili flakes for about 10 seconds, until fragrant. If the pasta isn't ready yet, turn off the heat.
1/2 tsp Red chili flakes
Save about 1 cup of pasta water, then drain the spaghetti.
Add the spaghetti and 3/4 cup of pasta water to the pan. Mix well on medium-low heat for 1 to 2 minutes until glossy.
3/4 Cup Reserved pasta water
Mix in the parsley. Taste and add salt if needed. Serve with grated vegetarian Parmesan and extra parsley.
1/4 Cup Italian parsley, Salt, Vegetarian Parmesan