Boil noodles for 3 minutes, then drain and rinse in cool water. Toss until dry.
In a separate bowl, whisk together the 3 noodle sauce packets, 3 tablespoons of peanut butter, 2 tablespoons of Momofuku Mild Garlic Chili Crunch, 1 tablespoon of fresh lime juice, 1 teaspoon brown sugar, and 2 tablespoons of water until smooth.
Toss cooked noodles into sauce, then top with chopped cilantro and crushed peanuts.
