Start by bringing a large pot of water to a rolling boil over high heat. Once boiling, add your preferred noodles and cook according to the package instructions, usually for about 4-5 minutes, until al dente.

While your noodles are cooking, combine the peanut butter, soy sauce, chili oil, dark soy sauce, and Chinese black vinegar in a mixing bowl. Whisk together until smooth and creamy.

Once the noodles are cooked, carefully drain them in a colander without rinsing.

Transfer the hot, drained noodles back to the pot or a large mixing bowl. Pour the creamy peanut sauce over the noodles and toss thoroughly.

Serve the noodles in bowls, drizzling extra chili oil on top if desired, and sprinkle with freshly chopped cilantro or green onions.