In a blender add scallions, garlic, fresh ginger root, soy sauce, hot sauce, sesame oil, rice wine vinegar, sugar, peanut oil, chunky peanut butter and sesame seeds. Blend. Add cold water and continue blending.
In a large glass bowl add the cold noodles and toss with the sauce. Garnish with julienne scallions, fresh cilantro, chopped peanuts and toss.