Step 1

Cook the noodles according to the package directions.

Step 2

While the noodles are cooking, put the sauce ingredients in a large mixing bowl and whisk until smooth.

Step 3

When the noodles are done, drain and add to the sauce. Add the peanuts, cilantro, and scallions. Toss to coat.

Step 4

Divide into bowls and sprinkle with pepper flakes if desired.