Cook noodles according to package directions. Drain, rinse with cold water, and set aside.
Prepare all vegetables: shred the carrot and red cabbage, thinly slice the bell pepper, shell the edamame, and slice the green onions.
In a large bowl, whisk together peanut butter, soy sauce, rice vinegar, sesame oil, honey, lime juice, and warm water until smooth and well combined.
Add the cooked noodles to the bowl with the peanut sauce and toss to coat evenly.
Add all prepared vegetables and gently toss everything together until well combined.
Chill in refrigerator for at least 30 minutes or serve immediately at room temperature.
Top with chopped cilantro and peanuts before serving if desired.