Use a large pot of well-salted water
Bring the water to a full rolling boil
Add spaghetti and stir immediately
Cook until al dente
Reserve some pasta water before draining
Drain the spaghetti without rinsing
Use a simple sauce with quality ingredients
Cook garlic and olive oil gently if using
Add tomatoes, herbs, or other sauce ingredients
Toss spaghetti with the sauce in the pan
Add reserved pasta water as needed
Finish with butter, cheese, or fresh herbs
Taste and adjust salt and pepper
Serve immediately
Use fresh grated cheese on top