Finely mince a bunch of garlic and set to the side.
Boil your noodles one minute before al dente and reserve some of the noodle water before draining.
Lube up your pan and melt a small knob of butter over medium heat.
Once melted, add in your garlic and chili flakes and cook for about a minute before adding soy sauce, sugar, and chili oil. Stir until slightly thickened.
Add in your noodles and a splash of noodle water, tossing until the sauce clings to the noodles.
Serve in a bowl, and optionally garnish with more chili flakes, sesame seeds, and scallions.
