Boil the noodles: Bring a large pot of salted water to a rolling boil. Cook noodles until just al dente. Reserve 1/2 cup of the starchy pasta water, then drain.

Prep your aromatics: While the noodles cook, mince the garlic and slice the green onions. Keep them ready—this recipe moves fast.

Build the sauce base: In a large skillet over medium heat, add the neutral oil and butter. When the butter melts and foams, add the garlic. Cook 30–60 seconds, stirring, until fragrant and lightly golden. Do not brown deeply or it will taste bitter.

Add the seasonings: Stir in soy sauce, oyster sauce (if using), and brown sugar or honey. Add a splash (2–3 tablespoons) of pasta water to loosen. Let it bubble for 15–20 seconds.

Toss the noodles: Add the drained noodles to the skillet. Toss with tongs to coat every strand. If it looks dry, add more pasta water a tablespoon at a time. You want a glossy, silky sauce clinging to the noodles.

Finish and balance: Turn off the heat. Stir in sesame oil and rice vinegar or lime juice. Taste and adjust—more soy for salt, more sugar for balance, more vinegar for brightness.

Add heat and garnish: Sprinkle in red pepper flakes or swirl in chili crisp if you like spice. Top with green onions, sesame seeds, and black pepper.

Serve immediately: These are best hot and fresh. Add a fried egg, sautéed mushrooms, or steamed broccoli if you want to bulk it up.